Men who are preparing for pregnancy need to do a good pre-pregnancy examination, if there is any abnormality according to the doctor’s guidance to treat, do a good job of nutritional supplementation in daily life, as well as to avoid the use of too many drugs and so on. 1. Do pre-pregnancy examination: generally in preparation for pregnancy need to go to the hospital to do pre-pregnancy examination, used to check whether there are infectious diseases, as well as whether there are infertility and other conditions, if there are other reasons lead to sperm activity is reduced, can be treated, such as prostatitis, varicose veins, erectile dysfunction and so on to carry out the appropriate treatment. 2. Ensure the daily health state: during the preparation for pregnancy, men need to avoid staying up late, pay attention to rest, daily moderate exercise, while quitting smoking, quit drinking, to ensure adequate immunity and healthy body. 3. pay attention to diet: in preparation for pregnancy should avoid spicy, stimulating, greasy food intake, so as not to affect the activity of the sperm, and at the same time can be moderate intake of folic acid, zinc and other nutritional supplements. 4. Avoid excessive use of drugs: during the preparation for pregnancy should pay attention to the use of drugs, should avoid excessive use of drugs, such as glucocorticoids, so as not to affect the quality of sperm, should be used under the guidance of a physician or pharmacist. Preparing for pregnancy men are recommended to the local professional medical institutions for routine preparation checkups and related consultations.