Under the background of rapidly developing age, people pay more attention to their own feelings and care more about the experience of medical treatment. During the treatment process, the hospital gown needs to be in contact with the patient for a long time, which can effectively buffer the impact of environmental changes on the patient's feelings. In order to explore the idea of designing hospital gowns to meet patients' emotional needs, this paper will analyze the characteristics of current hospital gown design and the innovative features of previous studies, combine the three-level theory of emotional design, and explain the emotional expression of hospital gown design. Moreover, to propose strategies to enable the future development of hospital gowns to improve patients' emotional satisfaction.