Yes, Houcaller basically uses all kinds of prepared dishes. Prefabricated food is not a new industry, but broadly speaking, it has a long history. After all, canned food, quick-frozen jiaozi and vacuum-packed food in supermarkets are all pre-made foods in a strict sense. The narrow sense of "cooked food" is well known for the first time, and it should be a "cooking bag" for take-away. However, before this, hotels all over the country have adopted cooked food on a large scale at wedding banquets, and many restaurant chain brands, such as Xibei, Grandma's House and Harvest Day, have also partially used cooked food.