According to the inquiry of Internet Health official website, the gift box of hairy crabs is opened, and the hairy crabs are put on the tray one by one, and then a wet towel is taken to cover the back of the hairy crabs, and the tray is placed in the fresh-keeping layer of the refrigerator for low-temperature storage, and the temperature of the fresh-keeping room of the refrigerator is controlled at 5- 10 degrees.