The multi-function sintering furnace is mainly used for the sintering of zirconia dental crowns and soft metal dental crowns. It can combine the sintering of two materials in one furnace, and effectively improve the customer's working efficiency and save the customer's production cost. The furnace adopts 1800℃ pure heating element and is heated on four sides. The furnace is equipped with a dedicated exhaust vent, which uses flue gas emissions to prevent crown pollution. The shape of the furnace is simple and the workmanship is fine. The double-layered liner structure is scientific and reasonable, energy-saving and environmentally friendly. It has been used by many denture processing factories at home and abroad and has received unanimous praise.