The reasons for dryness during sex are as follows: first, men and women are in a nervous mood before sex, especially when having sex for the first time, women’s nervousness can cause vaginal dryness, and insufficient sexual caresses can also lead to dry sex. Second, gynecological diseases can cause dry sex, such as cervicitis, vaginitis, pelvic inflammatory disease, etc. Third, postmenopausal women or women with premature ovarian failure have low estrogen levels and cannot secrete gonadal hormones to lubricate the vagina, which can also lead to dry sex. Fourth, vaginal dryness caused by systemic diseases, such as systemic lupus erythematosus and rheumatoid arthritis. Therefore, if you are dry during sex, it is recommended that you go to the hospital in time to find out the cause and then treat it.