Foods containing high quality protein: 1, milk and dairy products, such as milk, goat’s milk, cheese, these milk and dairy products often contain high quality protein. 2, eggs, such as eggs, duck eggs, goose eggs, quail eggs, these egg foods also contain high quality protein. 3, beans and soy products, such as soy, black beans, red beans, tofu, soy milk, these beans and soy products also contain high quality protein. 4, meat food, such as pork, beef, lamb, fish, shrimp.