Menstruation 10 days ahead of schedule, the appearance of a very small amount of brown blood, may be a manifestation of fertilization of the egg, or may not be a manifestation of fertilization, according to the specific circumstances of the specific analysis. Menstruation 10 days in advance, manifested by a small amount of brown blood, belonging to irregular bleeding, if there is a recent history of sexual intercourse, it may be a manifestation of the implantation of the fertilized egg, diagnosed through the urine pregnancy test paper test and blood hcg test, and may also be accompanied by lumbar acidity, abdominal pain and other symptoms. However, this condition may also be caused by irregular menstruation or ovulation bleeding, and abnormal uterine bleeding may be caused by work stress, taking birth control pills, uterine fibroids, endocrine disorders, and so on. Patients can consult the gynecology department of regular hospitals for sex hormone six, ultrasound and other tests to rule out the possibility of pregnancy. If pregnancy is ruled out, treatment should be carried out according to the doctor’s recommendation for specific cases. If there is no organic disease, attention should be paid to adjusting the state of life and relaxing the mood.