Solar energy can be said to be inexhaustible and unlimited, it is non-polluting and green. Compared with other energy sources, it is more worthy of development and utilization. In recent years, all kinds of solar products have emerged in an endless stream. All aspects of daily life can be said to be able to apply solar energy. This kind of solar cooker is a solar product, but it still belongs to the conceptual stage. Using a solar cooker to cook food will not produce carbon dioxide and other harmful substances compared to using liquefied gas, wood, etc. as fuel for stoves. It is clean and non-polluting, and can be said to be the most efficient substitute for traditional fuels. This solar cooker can heat the oil inside through solar energy and store the hot oil in an insulated oil tank, preserving the heat for several days.