The oil-water energy-saving frying pan has many ways, such as electric heating, coal heating, gas heating and so on. it is a smokeless, multi-functional, oil-water mixed frying equipment, which adopts the international oil-water mixed frying process, which thoroughly changes the structure of the traditional frying equipment, fundamentally solves the disadvantages of the traditional fryer, and can fry all kinds of food at the same time. The process adopts the way of heating from the middle of the oil layer to control the temperature of the upper and lower oil layers, effectively alleviate the oxidation degree of the frying oil, restrain the rise of the acid medium, automatically filter the residual examination in the frying process, and automatically control the temperature, so as to prolong the service life of the frying oil.