Amino acids are essential nutrients that can be taken according to the needs of the human body. Amino acids have the effect of enhancing immunity, suitable for people with low immunity to take, appropriate supplementation of amino acids is beneficial to the human body. The human body needs a variety of nutrients to support normal life activities, so the appropriate intake of amino acids is conducive to the human body to synthesize antibody protein to resist external bacterial infestation, so as to achieve the role of strengthening the body. Amino acids are not recommended for people without malnutrition, when the body ingests too much amino acids, part of the body will synthesize the proteins it needs, and the rest will be converted into sugars or lipids, which can cause diabetes or obesity; the body needs to metabolize the remaining amino acids, which will increase the burden on the body’s excretory system, and contribute to the decline in liver and kidney function. For these reasons, excessive intake of amino acids may not be conducive to good health. Amino acids belong to the health care products, can not be used as medicine, taking amino acid oral solution, it is recommended to follow the doctor’s advice, take the right amount, do not take it privately.