The items to be checked at the hospital without menstruation are: 1. Adolescent women: after ultrasound examination, choose the appropriate time for female endocrine and thyroid function examination, and some need genetic testing; 2. Women of childbearing age: after excluding pregnancy, ultrasound detects the endometrium, etc., and according to the endometrium, choose the appropriate period for sex hormone and thyroid function examination; 3. Menopausal women: after excluding pregnancy, female endocrine examination can be observed or performed, and the time to maintain menstruation can be assessed according to the examination results.