If men drink alcohol it is best not to have children, need to do a good job of contraception, it is best to abstain from alcohol for more than 3 months before preparing for pregnancy, if men drink alcohol and find that their partners are pregnant do not blindly do abortion, a small amount of alcohol on the sperm will not have a great impact, as long as the seriousness of each maternity examination, especially the first 3 months of pregnancy, if the fetal development are normal, the indicators are normal, that the fetus It is not affected by alcohol. For men who have been drinking alcohol for a long time, they must do a good preconception checkup before preparing for pregnancy to see if there are quality problems with sperm, such as low and weak sperm, dead sperm, low sperm survival rate, poor sperm activity, and azoosperm, to avoid the formation of deformed fertilized eggs after the combination of sperm and eggs, which will affect the development of the fetus in the future.