It can marinate meat, vegetables, etc. It can be used for home use, or for small hamburger restaurants, fried chicken restaurants, barbecue restaurants, etc. (or to process ingredients in the laboratory and observe experimental data) According to the principle of vacuum negative pressure tension, combined with slow rolling and evenly stirring the marinade to promote the food to taste quickly. Marinating is in a vacuum state, without destroying the nutrients of the food, and at the same time, it can clean the dirt, harmful microorganisms and reduce the content of fat in the food. The marinating time can be set for ten hours. Roll slowly, about four times a minute, to prevent the marinade from sinking to the bottom and to taste more evenly. 0-10 hours can be adjusted according to different food needs.