Foods with higher protein content include livestock foods, soy products, seafood and eggs. 1. Livestock food mainly contains some high-quality animal protein, such as lean pork, lean lamb, chicken breast in the protein content of about 20%. 2. Legumes and their processed products are rich in plant proteins, for example, soybeans and black beans have a protein content of about 35% and tofu has a protein content of about 10%. 3. Some seafood also contains high quality animal protein, for example, the protein content of marine fish is about 18%. 4. Poultry and egg foods are also rich in high-quality protein, such as quail eggs, goose eggs, eggs in the protein content of about 13%. By eating these foods, you can replenish the protein that your body needs and strengthen your body.