Clinically, there are many reasons for postmenopausal vaginal dryness and pain, and the common reasons are as follows: 1. It is a normal physiological situation because after menopause, there is no menstruation, and the hormone level in the body will have a significant decline, including sex hormones, progesterone, luteinizing hormone, etc. The secretion of these hormones before the absence of menopause can maintain the normal lubrication of the vagina and humidity. If after menopause due to the lack of these hormones, can lead to vaginal dryness, at the same time the elasticity of the vagina will also decline, so these factors can lead to postmenopausal coitus vaginal dryness and pain. 2, may be due to emotional or mental factors, some women in the postmenopausal emotional fluctuations, emotional fluctuations often lead to the woman to become tense, when a woman is tense vaginal contraction will be increased, can also lead to coitus vaginal dryness, and can also lead to the vaginal contraction. The fact that they are not in a position to do so can also lead to vaginal dryness and pain during intercourse. In this case, women should actively adjust their mindset and relax themselves to alleviate this symptom.