There are three main functions of sex toys: first, treatment to improve sexual function; second, to increase the interest of sexual life; third, to meet the sexual needs under special circumstances. In reproductive science, those who are afraid of sexually transmitted diseases, those who are unconditionally married, those who go out for a long time or live alone, those who have strong sexual desires, when the sex life of husband and wife is not satisfactory, male impotence, female sexual frigidity, one of the husband and wife is sick or disabled and unable to Those who have sex can use sexual tools to stimulate orgasm and obtain sexual satisfaction.
"The function of sexual equipment should be correctly evaluated. Correct use of it can achieve the effect of masturbation and self-medication." When people cannot complete sexual intercourse normally due to psychological and physiological problems, they should not avoid it with a negative and inaction attitude This need, but should be done with the help of body parts other than the genitals, drugs or sexual utensils, etc. to complete sexual activities.