There is no benefit to pinching the penis with your hand, if you repeatedly pinch the penis and use too much force, it may cause damage to the penis, and it is easy to induce infection. Men only occasionally use their hands to pinch the penis in daily life, generally no benefit and not too harmful; if repeated pinching the penis and did not wash their hands before, it may lead to infection of the penile area, easily induced by the prepuce and glans dolichocele; pinching the penis with too much force, it will also lead to localized damage to the penis, resulting in pain and other symptoms. Therefore, men should avoid repeatedly pinching the penis, should keep the penis area clean, often wash with water; the presence of phimosis, should also be cleaned inside the foreskin, and change the underwear, avoid unclean sex, to avoid inducing infectious diseases of the genitourinary system. If you feel unwell, you should go to the hospital in time and consult your physician.