The country fully liberalized the “two-child policy”, the day the “circle of friends” will be “screen”, WeChat, Weibo appeared a variety of discussions and comments, and even that night there are a lot of couples began to “Action”, actively respond to the call of the state efforts to “make a man”. So what kind of homework do male friends who are planning to have another child and conceive a healthy, smart little baby have to do? The following is an introduction to the preparation and examination that men have to do before pregnancy. First, improve lifestyle, quit bad habits, such as early morning and late night, rest, diet is not regular, work is highly stressed, these are in the subtle influence on the quantity, quality and survival rate of sperm, and will even cause other diseases. Smoking, drinking, sitting for a long time, and prolonged exposure to computer radiation will all have an impact on the quality of male sperm and are not conducive to good health. Therefore, you should improve your lifestyle, give up bad habits, work and rest on time, eat regularly, preferably do not eat stimulating food (deep-fried, barbecue, rot), do not smoke, do not drink; avoid sitting for a long time, every hour should get up and move around for a few moments; combined with their own actual situation, adhere to the appropriate sports and exercise in order to enhance physical fitness; do not spend a long time on the Internet, play with the cell phone, and avoid contact with paints, glues, welding, radiation, and so on. The following are some of the reasons why you should be active. Sex life should also be moderate, not in order to “give birth to a second child” and excessive, frequent sex life, to plan the pregnancy. Second, check Most of the men who are ready to have a second child have entered middle age, the physical function began to decline, coupled with busy work, lack of exercise, social, life pressure and food safety and environmental pollution and other aspects of the problem, a lot of people are in a state of sub-health, and even have suffered from a number of chronic diseases, such as the “three highs” (high blood pressure, high blood pressure, high blood pressure, high blood pressure, high blood pressure, high blood pressure). (high blood pressure, high blood fat, high blood sugar). Therefore, physical examination is very important. It is recommended to do a comprehensive physical examination, including general condition, cardiovascular, neurological and genitourinary examinations. Such as chest X-ray, electrocardiogram, ultrasound of the upper abdomen and urinary system, blood, urine and stool routine, blood sugar, blood fat, liver, kidney function, prostate fluid and so on. Of course, the main thing is gonadal hormones, reproductive system ultrasound, semen routine examination, including sperm count, density, activity rate and deformity rate, etc., and if possible, further sperm DNA fragmentation test can be done. Third, active treatment of basic diseases and urological lesions For men who have basic diseases should actively treat basic diseases, such as hypertension to control blood pressure, diabetic patients to control blood sugar, patients with chronic liver disease to protect liver function, heart disease patients to enhance heart function and improve cardiovascular circulation. In particular, reproductive pathologies, such as prostatitis, prostate hyperplasia, urinary tract infections, and mycoplasma and chlamydia infections, should be treated early according to the cause so as not to affect fertility. After careful preparation and scrutiny, men who want a second child will surely have a healthy and smart baby.