A little white endometrium falling off during menstruation may be normal, but pathologic factors such as endometritis, endometrial cancer, etc. cannot be ruled out. Under normal circumstances, the endometrium is white, if the amount of menstrual blood is low, it may cause the color of the endometrium to be revealed, and the endometrium with a little white discharge during menstruation is usually normal as there are no other uncomfortable symptoms. If the white discharge during menstruation is purulent, with odor, and accompanied by abnormal symptoms such as abdominal pain, it suggests the presence of endometritis, which is abnormal; if the endometrium with white color during menstruation is accompanied by abnormal discharge, vaginal bleeding, etc., there may be the risk of endometrial cancer, which is not normal. If the endometrial lining that falls off during menstruation is a little white and accompanied by the above mentioned symptoms, it is recommended to consult a doctor in time, and under the doctor’s guidance, complete the relevant examinations to clarify the cause of the disease, and then treat the disease accordingly.