The so-called deformed sperm disease, now many definitive, deformed sperm rate is ninety percent, reported is eighty percent, is now nothing definitive. There are very mild deformities, moderate deformities, and severe deformities. The fifth edition of teratozoospermia normal sperm less than 4% is mild, less than 3%-4% is mild, 2%-3% is moderate, 1%-2% is severe, and less than 1% is very severe teratozoospermia. There are various types of teratozoospermia and there is no definite conclusion in hospitals. Generally 200 sperm are randomly selected for Pap staining under oil microscope, after Pap staining one by one count, magnified 40 times under oil microscope to see if the sperm head is deformed, if the tail is deformed, if there are double-headed sperm, double-tailed sperm, round-headed sperm, all these should be ranked, if there is a relatively high in this regard, it is called teratozoospermia.