Protein-rich foods are as follows: 1. legumes, such as soybeans, green beans, red beans, black beans, tofu, tofu skin and soy milk, which are often rich in high-quality protein. 2. dairy foods, such as milk, goat’s milk, yogurt, plain milk, cheese, which are often rich in high-quality protein. 3. animal meats, such as chicken breast, pork tenderloin, fish The actual meat of these animals is often very rich in high-quality protein.