2. Develop good living habits and change sexual partners more often.

3. Eat more oranges, bananas, garlic, seaweed and bean products, which will help the growth of sperm.

4. Don't wear tight underwear and try not to wear jeans.

Pay attention to cleaning, including hand cleaning, and try not to touch him without washing your hands.

6. If there is foreskin phimosis, surgery should be done in time, otherwise it will easily lead to various diseases, such as ghost head cancer and prostatitis.