According to the analysis, fresh sea cucumber contains 76.5% moisture, 14. 1% protein, 0.2-0.3% fat, 0.3- 1. 1% ash and 94 kcal. The composition of dry sea cucumber is:100g containing 76.5g of protein. 357 mg of calcium, 2.4 mg of iron, 0.0 1 mg of thiamine, 0.02 mg of xanthene and 0. 1 mg of nicotinic acid. Dry sea cucumber contains 6000 micrograms of iodine per kilogram. Although the content of adenosine triphosphate (ATP) in sea cucumber is low and its taste is poor, its nutritional value is extremely high, because it contains high levels of L- phenylalanine, arginine and pine acid, and the protein of sea cucumber is water-soluble, which can be decomposed into various amino acids easily absorbed by human body without the help of salt, acid, alkali and fat. Although the ancients could not analyze the effective components of sea cucumber, they gave a high evaluation of sea cucumber with thousands of years of experience in hanging pots. Ming Metabolism's Five Miscellaneous Notes said: "Sea cucumber …… is warm and tonic, which is enough for enemy ginseng, hence the name". The New Theory of Materia Medica in Qing Dynasty said that sea cucumber has the efficacy of "tonifying kidney and essence, strengthening yang and treating impotence".