Men who are preparing for pregnancy need to undergo a general physical examination, reproductive-related programs and other tests, such as routine blood tests, semen routine, etc. 1. General physical examination: the main items include routine physical examination such as height, weight, pulse, blood pressure, etc.; in addition, it is also necessary to check the blood routine, urine routine, etc., biochemical items including liver and kidney function, blood lipids, blood glucose, etc.; other routine items include electrocardiogram, chest X-ray, liver, gallbladder, pancreas and spleen ultrasound. 2. Reproductive-related items: mainly including hormonal items such as thyroid function, etc., external genitalia examination such as checking whether there are deformities, sexually transmitted diseases, etc., semen routine examination such as checking sperm vitality, semen volume, sperm deformity rate and other items. Chromosomes and genetic screening can also be checked. If a man is ready to prepare for pregnancy, it is recommended that he should complete the relevant examinations under the guidance of a doctor before clarifying whether or not he is able to prepare for pregnancy.