Both men and women will have a certain amount of sexual desire, sexual urge before sex. Sexual life will also be carried out in the process of orgasm, is only completely normal sexual process. Men and women do not have sexual impulses for the following reasons: First, the couple’s work life, family pressure, high mental tension, there is not enough confidence and energy to accept sex. Second, men and women before sex should have adequate sexual foreplay, sexual foreplay is not sufficient will also lead to no sexual impulse. Third, both men and women suffer from inflammation of the reproductive organs, sexual dysfunction. For example, male prostatitis, impotence, premature ejaculation, painful symptoms during sex, female vaginitis, cervicitis, pelvic inflammatory will also lead to no sexual impulse. It is recommended to find the cause and treat the symptoms.