Creatine has the basic functions of increasing the water content of muscle cells, helping muscle cells store energy, and increasing protein synthesis; Among them, the artificially synthesized creatine can be used as a nutritional supplement to promote the skeletal muscle to adapt to vigorous exercise and combat the fatigue of weak individuals over the Chemicalbook degree; It can also be used to prepare drugs for treating heart disease and respiratory insufficiency; Preparation of pharmaceutical preparations containing human growth hormone; It can also be used to compound a new healthy food, which has the effect of anti-aging and restoring physical strength.