Prostate examination mainly relies on rectal touch, which is the most simple examination method for BPH and must be carried out.

1. Clear anatomical structure: prostate gland, glandula seminalis, rectum and anus
2. Four prostate palpation modules: normal size as chestnuts, I degree of hyperplasia as egg, II degree of hyperplasia as duck's egg, III degree of hyperplasia as goose's egg;
3. Four rectal touch modules: normal rectum, rectum cancer A, rectum cancer B, porctopolypus
4. Cervical canal module
5. Support enema operation