Dry sea cucumber is not soaked in formalin, so you should send sea cucumbers before eating (that is, boil them first and then cool them, and be careful not to see oil with clean water). You can go to Taobao to search for the distribution of Dalian coastal commodities, where there are specific steps to send sea cucumbers. In fact, now that living conditions are good and logistics are developed, you don't have to eat sea cucumbers dry. You can choose instant sea cucumbers. Just boil them with cold water for 45 minutes before eating, which is convenient and hygienic, or vacuum packaging.