There is no vaginal discharge during sexual intercourse and it appears as dryness, which is often caused by local inflammation of the vagina, ovarian function decline and surgery, as follows: 1. Local inflammation of the vagina: it is often accompanied by odor of discharge or a burning sensation in the vagina; 2. Ovarian function decline: when the ovarian function declines, the estrogen level will drop, which will lead to a decrease in cervical discharge and vaginal discharge, so There will be a feeling of dryness during intercourse; 3. Surgery: such as conical excision of the cervix, physical treatment of the cervix, which causes changes in the local anatomy of the cervix, which will lead to a decrease in local secretions, so there will be a decrease in secretions during intercourse.