The role of drugs: The role of drugs to improve each parameter of semen routine is to improve the probability of pregnancy; drug treatment cycle: human spermatogenesis cycle is 70-74 days, about 3 months, so if you take empirical drug treatment, the course of treatment should generally 1 to 2 spermatogenic cycle, that is, 3-6 months, such as poor results, the need to consider assisted reproductive technology, rather than the unlimited use of more expensive spermatogenic drugs; but The medication should not be interrupted, because the spermatogenic cycle is continuous, so it is usually 1 month of medication and about 25 days of review. In the case of hypogonadotropic patients, the medication is generally administered for 12 to 18 months. Artificial insemination: artificial insemination is generally recommended for 3 to 6 consecutive cycles, and the data shows that the cumulative success rate of 3 cycles of artificial insemination is about 20%. But the specific by the reproductive gynecology experts. Patients with weak sperm. Sperm development takes about 15 days, so patients with weak sperm take at least half a month and 15 days of medication.