Cock testis is a part of cock reproductive organs, which is considered as a kind of high protein and low fat tonic. Rich in vitamins B and C, zinc, iron and other nutrients, it has the functions of enhancing immunity and promoting growth and development. Cock testicles can be stewed with red dates, medlar and other ingredients to increase their nutritional value and taste. In addition, it can also be fried or cooked in hot pot.