To investigate the relationship between the morphology of digestive tract in Apodemus chevrieri and habitual environment，seasonal changes of the digestive tract morphology including stomach，small intestine，large intestine，and caecum in different seasons were determined. The results showed that all the parameters including the weight without contents and dry weight, and/or length of stomach, small intestine, large intestine were higher in June and September. In contrast, the length and weight with contents of caecum were higher in March and November, even the weight without contents and dry weight were higher in June and September than any other seasons. The results of present study indicated that Apodemus chevrieri can meet with the environmental threats like lower ambient temperature, low latitude, less available of food, and the requirement of reproduction by altering of the seasonal morphology of digestive tracts.