Men drinking beer has very little effect on pregnancy, but everyone, at the moment, is paying great attention to the preparation stage of pregnancy. If you are preparing to get pregnant, you should not drink beer, and even more so, you should not drink liquor. Current literature studies have shown that drinking liquor has a certain effect on the sexual function of men, and also on prostatitis and vesiculitis, and it is recommended to drink less liquor. A small amount of beer, generally very little impact on sperm, this point we do not have to worry too much, if for the sake of safety, it is still recommended to drink less. Pay attention to prepare for pregnancy, men can supplement zinc, zinc can improve the vitality of sperm, pay attention to supplement appropriate protein, because in the process of sperm production, more protein, may be more ideal sperm vitality.