Menopause is a period of time when menstrual flow may be heavy or light and irregular, not necessarily occurring every month. Perimenopause is the perimenopausal period, which is the period from the beginning of the decline of ovarian function until one year after menopause, due to fluctuations or reduction of sex hormones can lead to a series of physical, mental and psychological symptoms, thus menopausal syndrome occurs. Due to the fluctuation of ovarian function, menstrual dysfunction is common in the perimenopausal period, which may be characterized by increased or decreased menstrual flow, irregular menstrual cycles, and long duration of menstrual periods. In the perimenopausal period, attention should be paid to relieving recent symptoms and timely psychological counseling in order to pass through the period smoothly.