The actual cause and pathogenesis of testicular cancer are still unclear, so it is more difficult to prevent against the cause. It is recommended to maintain good living and dietary habits. 1. Diet: minimize the use of smoked, fried and pickled food. Daily cereal-based, eat more food rich in protein and vitamins; can be moderate consumption of root food, such as underground growth of sweet potatoes, taro, corn, chestnuts, etc.; meat to the white meat, followed by red meat. 2. Life: maintain testicular area hygiene, frequent cleaning, to avoid bacterial growth. And keep regular work and rest, less contact with polluted air or work, and stay away from radiation machines. In addition, men with family genetic history of testicular cancer should have regular medical checkups every year, and if they find any lumps in testicles or have uncomfortable symptoms, they can consult with male department or urology department. And for people with cryptorchidism, early intervention treatment should be carried out to minimize the risk of the disease.