Supplemental protein foods: 1, legumes, such as soybeans, mung beans, black beans, red beans, tofu, soy milk, these legumes are often rich in protein. 2, meat foods, such as pork, beef, mutton, fish, shrimp, these animals contain good quality protein in the meat. 3, egg foods, such as chicken eggs, duck eggs, goose eggs, quail eggs, the whites of the eggs are rich in protein. 4, dairy foods, such as milk, goat milk, horse milk, milk. 5, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk, milk. 4, dairy foods, such as cow’s milk, goat’s milk, horse’s milk.