If a woman’s age is within 45 years old, she may have a menstrual disorder once in a while, and it is not the onset of menopause. Women should pay attention to relax, increase nutrition, do not strain, maintain a regular life, if the symptomatic treatment, women’s menstruation is always delayed or two or three months to come once, gradually appear amenorrhea, let nature take its course. Women can go to the hospital for gynecological ultrasound and sex hormone measurement, and if there is a decline in hormone levels, it proves that they have reached perimenopause, and appropriate symptomatic treatment can be given.