Sea cucumber is salty in taste and flat in nature. Sea cucumber enters the kidney meridian, and its nutritional value is mainly to tonify kidney and replenish essence. From the perspective of Chinese dietotherapy, sea cucumber has a proper nourishing effect on people with soreness of waist and knees, lumbago and leg pain caused by kidney deficiency, or premature whitening, frequent urination, insufficient blood and essence, or fatigue. In addition, sea cucumber can nourish blood and moisten dryness, which has obvious effect on people with blood deficiency, insomnia, lung dryness, cough and expectoration, intestinal dryness and constipation. In addition, sea cucumber contains acidic mucopolysaccharide and chondroitin, which can reduce the contents of lipofuscin and skin proline in heart tissue and play a role in delaying aging.