The pain in the chest and abdominal pain are considered to be menstrual. 1, before the menstrual period, the level of estrogen in the body increases, so that the development of breast tissue leads to symptoms of chest distension. 2, before the menstrual period, hormonal changes in the body lead to increased secretion of prostaglandins, which can cause small blood vessels in the uterus to spasm and cause abdominal pain, which is a normal physiological change and is one of the symptoms of premenstrual syndrome. 3, if the time before the menstrual period is longer, it is recommended to do mammography or mammography. If the time is long, consider the breast pain caused by breast enlargement, it is recommended to do mammography or mammography, abdominal pain and gastrointestinal diseases, if nausea, diarrhea need to go to the hospital in a timely manner, pay attention to a reasonable diet, do not eat cold, stimulating food, so as not to aggravate the abdominal pain.