There are many reasons for abdominal pain without menstruation, such as pregnancy, gynecological inflammation, PMS, intestinal cramps, appendicitis, etc. Therefore, it is necessary to make clear the causes, such as observing the painful parts and conducting relevant examinations, in order to carry out targeted treatment: 1. Pregnancy: for women with sexual life, if there is no menstruation, the possibility of pregnancy should be considered and should be confirmed in the gynecology department of a regular hospital . After pregnancy is confirmed, the causes of abdominal pain should be excluded, such as fertilization of the egg, pre-eclampsia, ectopic pregnancy, etc., which should be treated with fetal preservation or surgery according to the specific situation; 2. 3, PMS: In addition to abdominal pain, there are also symptoms such as distension and anxiety, which can generally be relieved by adjusting the patient’s psychological state and relaxing the patient’s spirit. intestinal spasm, which can be relieved by abdominal warmth and massage; but if the pain site is in the right lower abdomen, it may be caused by appendicitis, which requires medical attention as soon as possible for standardized drug and surgical treatment.