Infertility can be caused by a variety of conditions and usually needs to be considered from these aspects: a. Female side: Mostly seen in irregular menstruation, poor ovulation and poor endometrial condition, which can easily cause difficulties in sperm-egg union and even difficulties in embryo implantation, so the female side needs to be tested for follicle development and endometrial thickness, etc. Secondly, the situation of the male partner: it is mostly seen in poor semen quality, such as patients with oligospermia, weak spermatozoa, deformed spermatozoa, and sometimes there is a confluence of multiple factors, such as oligo-weak deformed spermatozoa, and other factors, such as caused by various conditions such as non-ejaculation. Therefore, for a condition like infertility, it needs to be considered from many aspects, sometimes it is a problem common to both men and women, and both have constraints. For infertility, it is recommended that both the patient and the couple be diagnosed and treated at the same time.