Objective　To analyze the status of psychological stress of trainees in the standardized cooperation training base for municipal hospital residents

and to discuss their mental health problems. Methods　Cluster random sampling method was used to select the standardized training trainees of resident physicians in a municipal cooperative base as the research object. Self-made psychological stress evaluation scale was divided into two dimensions: psychological stress and emotion. The emotional dimension was given 1 to 10 points respectively. Descriptive statistics and analysis of variance were used to evaluate the general situation and stress status of residents in standardized training. Results　The psychological stress of trainees is prominent

and the employment pressure is the biggest source of stress (4.583±2.939). Other source are work pressure (4.269±2.791)

study pressure (3.398±2.782)

economic pressure (3.167±2.715)

interpersonal pressure (1.222±2.088)

environmental pressure (1.065±1.906)

and emotional pressure (0.824±1.723). There are significant differences between different types of stress (F=44.68

P=0.000). Trainees' mental health problems are quite serious. 59.26% of the standardized training students occasionally feel pressure

35.19% often feel pressure

and 4.63% always feel pressure. The detection rate of anxiety

depression and inferiority is 64%

26% and 26%

respectively. There are significant differences in the average scores of various emotions (F=24.19

P=0.000). Conclusion　The psychological stress and mental health problems of residents in standardized training are prominent. Positive measures should be taken to deal with the mental health problems in prospective doctors groups in their transformation stage of development.