How to scientifically examine infertility problems and find the root causes Infertility problems have become one of the common phenomena in today\’s society. In order to solve this problem, scientific examination and treatment have become particularly important. This article elaborates on it from four aspects, namely, cause analysis, examination methods, treatment methods and prevention suggestions. Cause Analysis There are many causes of infertility. Male infertility may be caused by testicular dysfunction, poor sperm quality, or low sperm motility. Female infertility may be related to ovarian dysfunction, fallopian tube blockage, etc. In addition, both husband and wife jointly