A product on the market can not meet the special needs of pregnant women on stretchers，through the research of pregnant women in a stretcher in the process of demand characteristics, this paper explores the population's special humanistic needs for stretchers. Basing on zhe General principles of Ergonomics, the paper analyzes the operation process of stretcher, analyzes human needs from two aspects of the stretcher operator and the pregnant woman. It received the humanized design measures in three aspects of function, man-machine interaction and emotional factors of pregnant women during the stretcher,and as a guide to design a simple, safe and reasonable and artful structure, excellent user experience of pregnant women in special stretcher.