Oil tofu is a traditional dish of Han nationality, and it is called tofu in the north. It is a fried food of tofu. The main raw material is soybean, which is made by grinding, squeezing and frying. Its volume is about 8 cubic centimeters. It can be used as the main course of steaming, frying and stewing, and also as the ingredient of various meat products. Its golden color is silky, delicate and ethereal, elastic, and contains high-quality protein.