Long-term drinking in men can have an impact on fertility. Long-term drinking may affect the quality of a man’s sperm leading to a higher rate of sperm malformations, and may also damage the reproductive system, including the testicles. Long-term alcohol consumption by men may reduce sperm motility, affect sperm quality leading to higher sperm deformities, and damage the testicles and other reproductive systems. If the couple intends to have a child, then the man needs to quit smoking and drinking three months before the preparation for pregnancy, and must get his body in good shape before he can start preparing for pregnancy. In daily life, it is necessary to develop good habits and participate in more physical exercise to enhance physical fitness. Diet nutrition should be balanced, do not picky eating, you can eat more fresh vegetables and fruits.