Tomato sauce is tomato sauce, sugar, vinegar , salt and fried in salad oil in the modulation of a sweet and sour juice. Tomato sauce is reddish-brown, sauce-like, delicate in body, sweet and sour, and slightly spicy. Mainly used in food, such as fried pork chops and partially dish placed on the tomato sauce, tomato, or for oxtail soup , tomato, shrimp and the like. Tomato sauce is best packaged in glass bottles in a ventilated and dry place, and the storage environment is protected from heat and humidity. The biggest difference between tomato sauce and tomato sauce is that tomato sauce can be eaten directly, while tomato sauce must be cooked.