Protein is composed of a variety of amino acids and is an important component in the composition of human tissues and organs. Nutritional studies have concluded that a daily intake of 70 grams of protein can maintain normal body functions, so high-protein foods such as lean pork, fish, milk, eggs and soybeans can be included in the diet. For example, lean pork contains about 16.7 grams of protein per 100 grams, soybeans contain about 36.3 grams of protein per 100 grams, and eggs contain about 14.7 grams of protein per 100 grams. Normally, you can ration high-protein foods according to your dietary preferences so that your body can consume up to 70 grams of protein, for example, 200 grams of lean pork, 100 grams of eggs (2), or about 100 grams of soybean products per day. In addition rice, white flour and other staple foods also contain a certain amount of protein, basically you can reach or even exceed 70 grams of protein. In addition, you should also eat some fresh vegetables and fruits, such as cabbage, carrots, tomatoes, oranges, apples, grapes, etc., which can not only supplement vitamins, but also promote the absorption of protein. If the long-term protein intake is not enough, it will lead to changes in the level of a variety of hormones in the body, the body function is reduced, the immunity is reduced, common manifestations are weight loss, easy to catch a cold, fatigue and weakness. If the above uncomfortable symptoms occur, after examination to determine that the protein deficiency is caused by hypoproteinemia, not only to supplement a high-protein diet, but also to go to the hospital, under the guidance of doctors to use nutritional supplements.