Amino acid drip, i.e. intravenous input of amino acid injection, helps in protein synthesis for rapid production of antibodies, enzymes and structural proteins, etc., and promotes the recovery of normal physiological functions of the body. It is recommended to use it under the guidance of professional doctors. Amino Acid Injection is mainly suitable for patients who cannot eat via gastrointestinal tract, patients with insufficient nutrient intake, and patients with certain severe wasting diseases. Through intravenous input of amino acid injection, it serves to replenish the body’s needs and increase protein synthesis in the patient’s body. It should be noted that amino acid injection should be used with caution in patients with severe hepatic or renal dysfunction and cardiac insufficiency. If necessary, according to the patient’s specific situation, under the guidance of the doctor to use the drug. Metabolic acidosis, thrombophilia and phlebitis may occur with prolonged massive input of amino acids, so prolonged massive use is not recommended.