1. Different surgical methods: transsexual surgery is to make the physiology and psychology of transsexuals conform to each other through plastic surgery tissue transplantation and organ reconstruction, remove their original sexual organs, and rebuild their body surface organs and secondary sexual characteristics; And zero depth is a kind of sexual replacement surgery that only reconstructs other tissues except vagina.

2. Different indications: transsexual surgery is suitable for transsexuals; Zero depth is suitable for those without uterus or uterine hypoplasia.