During men’s preparation for pregnancy, usually do not need to take medicine to increase sperm. Can be through dietary modification, reasonable exercise and other ways, can achieve the role of sperm increase. Normal men during the preparation for pregnancy, do not take medication without authorization, not only affect the sperm quality, but also may damage the health. Men can improve the quality of sperm through lifestyle modification. In daily life, you need to eat a balanced diet, eat more food rich in vitamins, folic acid, zinc, selenium trace elements, such as carrots, animal offal, milk, eggs, etc., and eat less spicy stimulating food. At the same time, during the preparation period, you need to quit smoking and drinking. In the case of the body allows, need to adhere to physical exercise, such as jogging, swimming, basketball, badminton, etc., not only can maintain a healthy body weight, but also conducive to improve the body’s immunity, enhance physical fitness. If the couple after a long time of unprotected sex, but can not achieve the purpose of fertilization. It is recommended to go to a regular hospital and have a relevant examination so as to clarify the cause of the disease.