2. Change underwear frequently (close-fitting pants are easy to breed bacteria, and changing underwear frequently can reduce bacterial growth and prevent infection);
3. Pay attention to keeping clean before masturbation or sexual life (keep your hands clean before masturbation and pay attention to cleaning before sexual life);
4. Pay attention to wearing condoms when there are many sexual objects to avoid genital infection;
5. The posture of sex should be as normal as possible, so as not to cause genital curvature;
6. If the foreskin is too long, circumcision should be done as soon as possible, which is conducive to reproductive development and reduces infection;
7. Drink plenty of water. Normally, adults should drink 3 to 7 glasses of water.