Preparation for pregnancy men should pay attention to develop good habits and maintain dietary habits. 1. Lifestyle habits: men during pregnancy should pay attention to keep early to bed, get up early, avoid staying up late and other habits. Irregular habits will lead to human endocrine disorders, reduce male sperm viability, and pay attention not to use too high temperature of hot water bath, too high water temperature will affect the activity of sperm and testicular spermatogenic function. 2. Dietary habits: avoid smoking and drinking in daily life, long time smoking and drinking will reduce the secretion of hormones and induce chronic prostatitis, thus affecting the number of sperm, reducing the quality of sperm and affecting the pregnancy. To summarize, if you are ready to get pregnant, it is recommended that the couple go to a regular hospital for a comprehensive physical examination, and if the results of the examination are abnormal, you should consult a doctor in a timely manner, and under the guidance of a professional doctor to carry out targeted treatment, and then prepare for pregnancy.