Consequences of the lack of protein in the human body: 1, decreased resistance, because many of the body’s immune material is composed of protein, if the lack of protein, then the body’s immune material to reduce, which will cause a decline in resistance. 2, caused by the decline in the number and quality of muscle, because the muscle constitutes an important component is protein, if the lack of protein will make the number of muscles and the quality of the decline, and the performance of the wasting 3, cause edema, because the body of protein to maintain the body’s colloid osmotic pressure, to prevent edema, if the lack of protein, because of the decline in colloid osmotic pressure and cause edema.