The paper aims for how the medical staff′ s clothing and behaviors affects the psychology of the hospitalized children with cleft lip and palate. First, we analyze the characteristics of the hospitalized children, and alter the medical staff′s clothing and behaviors. At the same time, we also decorate the circumstance of our hospital. Then we analyze the hospitalized children′s psychological status. The results show that altering the medical staff′s clothing, behaviors and the circumstance of the hospital can release the psychological pressures of the hospitalized children with cleft lip and palate which can cooperate well during the treatment.