Pregnancy and childbirth is a matter for both husband and wife, so both of them should do pregnancy preparation tests before preparing for childbirth. The focus of the examination for men is on routine semen examination, which mainly focuses on male fertility. Before the examination, male friends should pay attention to the following matters: First, before the examination, male friends should pay attention to the regularity of life, pay attention to diet, eat more food with high quality protein, while high-fat and high-sugar food should be avoided, and pay attention to rest, don’t stay up late and don’t make themselves too tired; Second, male friends should avoid smoking and alcohol before doing Before the pregnancy test should avoid smoking, alcohol, especially in the first three days of the examination also avoid greasy, sugary food; three, male friends in the 3-5 days before the pregnancy test to prohibit sex, the experience should not be too long, nor too short, because they will have the possibility of reducing the quality of sperm; four, men in the pregnancy test before the fasting should be kept at least 8 hours, because the male pregnancy test requires blood sampling, fasting can avoid the test The results will be affected.