It is not recommended to have a child when a man has a fever, it will cause the body’s immunity to decline, affecting the quality of sperm, usually in the cold and fever cure, about a week can have a child. When you have a fever, you need to drink a lot of water, pay attention to rest, supplement vitamin C, try to avoid going to crowded places to prevent cross-infection, and be vigilant against dehydration and convulsions caused by high fever. You can orally take cold spirit granules, aminophenol pseudoephedrine tablets, compound aminophenol alkylamine tablets, Benoit dispersible tablets and other anti-flu medicines, which can treat and relieve various symptoms caused by colds. If the cold is caused by epidemic virus, you can take Oseltamivir Phosphate capsule orally, 75mg each time, twice a day, 5 days for a course of treatment, which can prevent and control the attack of influenza virus. If the fever is caused by wind-cold cold, it can be treated with the addition and subtraction of Jingpeng Defeating Toxin Powder, which has the effect of relieving the epidermis with pungent and warmth. If the fever is caused by wind-heat cold, Yin Qiao San can be added and subtracted, which has the effect of relieving the epidermis with pungent coolness. Combination of Chinese and Western medicine can shorten the cycle and improve the efficiency when fever is present.