There are several reasons for the aversion to sex: 1, it may be because of some sexual abuse when small, or some traumatic experiences in the process of sexual life, so there will be a rejection of the sexual psychology, and even the emotional reaction of sexual revulsion and aversion. 2, husband and wife are not in harmony, due to the decline in the feelings between the partners or the relationship between the partners is very poor, it is very easy to appear reluctant to have sex, and even Sexual rejection and sexual aversion may occur in serious cases.3. Because of various problems during sexual life, such as pain during sexual intercourse, frigidity, etc., it is very likely that sexual aversion will occur if there are such problems.4. There may be some cultural factors, such as there are some people who are affected by bad knowledge and think that sex is very dirty or think that sex is very painful, then there may be preconceived ideas about sex, and they may be very morally critical of sex. very much moral criticism, and eventually the problem of sexual aversion will appear.