1.Don’t overeat or overeat, and eat less fast food and seafood. 2, do not smoke and alcohol abuse. 3, do not frequent hot water bath or sauna. 4, should not wear tight pants for a long time. 5, do not ride a bicycle for a long time and drive a car for a long time. 6, do not sit on a soft sofa for a long time. 7, do not masturbate excessively. Pay attention to regular sex life. 8, do not contact with electrical appliances too often. Such as: laptop computers, cell phones. 9, do not inhale too much kitchen fumes. Pay attention to traffic pollution. 10, do not drink more coffee, drink more water, pay attention to the pollution of pesticides in fruits and vegetables.