The impact of less protein: 1, resistance to decline, because protein is the raw material of many immune components, if protein deficiency will cause a reduction in immune substances, and then the function of disease resistance will decline, so if the impact of less protein is a decline in immunity, prone to infectious diseases. 2, growth and development retardation, because muscle, bone, brain, skin, internal organs, these The development of organs are inseparable from the participation of protein, so if the protein is less, growth and development will be inhibited, manifested as wasting and growth retardation.