Nicknamed Xiao Ge; with a big kid personality, never serious and always joking around; timid yet has a good heart; likes to display his talking skills; frequently yields unusual fantasies towards the people and things around him; has a great desire to perform; likes to give a helping hand to others, especially spreading happiness to the people around him, this is also the special characteristic that makes him suitable for the work of a nurse; Traveling north to Gao Xiong to study, he just wants to build a name for himself in Taipei. Towards the future, he doesn't have any concrete goals. His only persistence is to become a handsome person. Yet when he is taking the exam for a school, he mistakenly got into the wrong line to register his name and in turn, caused himself to be placed into a nursing school. Furthermore, he gets sent to a hospital to train as a nurse and this was something that he couldn't accept and he would often express his dissatisfaction. Later because he falls in love with a female doctor, Sheng Ya, at the hospital, he forces himself to stay. But because he doesn't pay attention to his work and plus the fact that he gets all faint-hearted when he sees blood, he creates much chaos at the hospital. In the end, after being influenced by the people around him, he gradually becomes an outstanding nursing staff.

On the appearance, she looks beautiful, glamorous and cold; smart and hardworking; she takes her job very seriously; is the chief surgeon in the hospital; she is also the object that Xiao Ge is infatuated with. She appears to be a bit unusual because of her silent and uncommunicative ways. With regards to her pursuers that just won't go away, her heart still remains motionless. It is because of this that the gossips about her are endless at the hospital. Someone even guessed that she might be the mistress of the hospital’s chief. Actually, she might seem to be cold on the outside but inside, she is extremely sensitive and fragile. She had a profound relationship in the past and it is because of this that she puts all her feelings into her work and doesn't want to talk about love again. Originally, she only regards Xiao Ge as a younger brother, but as they spend more and more time together, her feelings gradually start to waver and she starts to grow affectionate feelings for the simple and goodhearted Xiao Ge.

(portrayed by Zhang Tian Lin) - Male, 28 years old.

In the hospital, he is also known as a bright surgeon alongside Sheng Ya. He graduated from a famous school overseas and both his parents are professors. Not only does he have an outstanding family background but he also has outstanding looks and manners. He is the object of lots of female nurse’s infatuation in the hospital. But he, who looks highly of himself, actually falls in love with the cold Sheng Ya and starts to pursue her. Nai Hao is extremely dissatisfied of Xiao Ge, whose work performance is poor and careless. When he finds out that Xiao Ge also has feelings for Sheng Ya, he further regards Xiao Ge as a thorn in his side and repeatedly wanted to dismiss Xiao Ge. But in the end, he is touched by the attentive care and enthusiasm that Xiao Ge shows when he is looking after the patients and the two of them became good friends.

Nicknamed "liang jing jing or sparkling"; entered the hospital at the same time as Xiao Ge as a new nurse. Cute and lovable, with a lively personality. She believes that working as a nurse is just a temporary job for her. Her final goal is to find a doctor as her boyfriend. It is because of this that she often dresses attractively and would often express her love to the guys that she likes. But being that she easily sees one and likes one, people in the hospital are actually scared of her boy-crazy ways. Yet she thinks little of it, because she believes that pursuing one's own happiness is all that matters and perfectly alright.

(portrayed by Liang You Lin) - Female, 22 years old.

Looks delicate and elegant but she would often dress neutrally. Her work manner is sharp and precise; is Xiao Ge's classmate and is placed at the same hospital. With a personality that is a bit of a tomboy, she is regarded as a buddy by Xiao Ge. But actually, she has had a crush on Xiao Ge since the beginning. It is also because of this that whenever, Xiao Ge runs into problems at work, she would always act on his behalf to smooth things out.

Has a rough and wilderness look, is proficient in first aid skills. He used to be a race car driver and now he is the hospital’s ambulance driver. He is filled with enthusiasm towards his work. When he is face with an urgent rescue call, he would transform into a workaholic. He is also Xiao Ge's roommate. At first, Xiao Ge doesn't approve of Min Xiong's workaholic behavior, but he gradually gets moved by Min Xiong's enthusiasm and positive outlook. Besides from work, Min Xiong is also Xiao Ge's teacher and helpful friend. Towards Xiao Ge's life, he has many given him many enlightenments and inspirations.

The chief of nurses at the hospital. Looks fiery on the outside but inside, she is feminine and flirtatious. She, who is very strict towards work, cannot stand Xiao Ge who always gets into trouble. Being single until now, she still likes the hospital's chief very much. Yet even though she has feelings for him but he doesn't reciprocate those feelings, which causes the Chief to try to hide from her every day.

(portrayed by Guan Yong) - Male, 50 years old.

An well-mannered middle-aged man. He is the chief at the hospital and at the same time, he is one of the most authoritative figure in the surgical department in the medical world. In the hospital, he is the person that everyone respects greatly. However, aside from work, he is actually miserable from the wounds that his only daughter, Sheng Ya, received from her last relationship. His heartfelt hope is that one day, Sheng Ya will be able to be free from these wounds.

(portrayed by Kiki Ding Wen Qi) - Female, 17 years old.

She is a sick patient that often stays at the hospital. She suffers from a very rare disease and must have an operation but the probability of being able to cure the disease with the operation is extremely low. This causes Xiao Qi to endure tremendous pressure while fighting with the God of Death every day. In order to conceal the fear in her heart, she becomes very temperamental and gets angry very easily. For this reason, all the nurses at the hospital are afraid to get near her. Until Xiao Ge is designated to take care of her and this causes Xiao Qi to gradually let down her guard and slowly face her own situation with bravery. She also uses the price of her life to cause Xiao Ge to realize the responsibility and pride of being a nurse.