Definition of oligozoospermia: According to the International Health Organization (WHO), spermatozoa less than 20 million per milliliter are called oligozoospermia. Common causes 1, varicocele; 2, cryptorchidism; 3, urinary system infection; 4, autoimmune abnormalities; 5, endocrine abnormalities; 6, chromosomal abnormalities; 7, other: high scrotal temperature, radiation damage, chemical drugs and medication effects. Treatment Counteracting the cause of treatment: no matter what the cause of oligospermia, the most important thing is to improve the environmental conditions of sperm survival. Eliminate various external factors that affect sperm production, generation, development and maturation, which is related to the treatment of various primary diseases. 1, varicocele, cryptorchidism: surgical treatment can be used. 2.Reproductive tract infection: anti-infection treatment. 3, autoimmune anti-sperm antibody producer: trial immunosuppressants such as adrenal glucocorticoid drugs and high-dose vitamin C treatment. 4, idiopathic oligospermia: treatment with testosterone or synthetic testosterone derivatives. It should be noted that not all of the oligozoospermia can be normal after treatment, but also some idiopathic or unexplained oligozoospermia may not be effective after the above treatment, need to combine the specific circumstances and partner, to formulate the appropriate individualized treatment plan and measures to help pregnancy. Daily care 1, pay attention to personal hygiene: wear loose crotch underwear and pants. Change clean underwear in time and pay attention to the hygiene of reproductive organs. 2, pay attention to diet: avoid eating too much spicy, greasy and stimulating food; supplement sufficient amount of vitamin E and zinc trace elements; eat more food containing arginine. 3, pay attention to living habits: maintain sufficient sleep, avoid staying up late, increase physical exercise, reduce smoking and drinking. 4, away from chemical substances: in the radiation, high temperature or chemical substances in the environment work, must do a good job of protection measures. 5, reduce the application of drugs affecting spermatogenesis: such as sulfonamides, furadantin, amphotericin, cyclophosphamide, aminomethylphenidate, colchicine.