The sea cucumber of Dachangshan Island is a specialty of Changhai County, Dalian. The sea cucumber produced in Changhai County of Dalian is called Stichopus japonicus, and its tonic effect is similar to that of ginseng, so it is named sea cucumber. Sea cucumber is a good tonic product with high protein. Its crude protein content is as high as 55.5%, cholesterol is , and its fat content is low. Scientists have found that sea cucumber also contains calcium, phosphorus, iron, vitamins and a lot of sulfur. Arginine is one of the essential amino acids to maintain normal metabolism and life, and chondroitin sulfate is also contained in sea cucumber. Sea cucumber is known as the crown of sea treasures and natural tonic for its precious nutritional value.

sea cucumber is warm and salty, and it has the functions of tonifying kidney and essence, nourishing blood and moistening dryness, strengthening yang and nourishing yin, enriching essence and nourishing fetus, and benefiting childbirth. Indications are deficiency of essence and blood, weakness after illness, emaciation and fatigue, impotence, wet dream's disease, premature ejaculation, frequent urination, anemia after various blood loss, lactagogue, traumatic hemorrhage, constipation due to intestinal dryness, tuberculosis, neurasthenia, etc.

The sea cucumbers distributed by Dachangshan Island Sea Cucumber Company are produced by Dachangshan Island Sanhe Aquatic Products Development Co., Ltd., and the seedlings are free of bait, no pollution, rich in nutrition and no additives. They are processed by divers from a depth of more than ten meters. Dachangshan Island Sea Cucumber Line was originally located in the north gate of People's Square Court, and has now moved to the intersection of Gorky Road and Baishan Road, looking forward to new and old customers coming.