The utility model discloses a vacuum ion coating furnace body, real empty room are the tube -shape cavity, set up into extraction opening interfacing part and multi -arc source interfacing part, magnetron sputtering source interfacing part at this tube -shape cavity inner wall, air inlet and extraction opening are installed in advancing the extraction opening interfacing part, and the air inlet isconnected with the power supply device that admits air, and the extraction opening is connected with evacuating device, multi -arc source and multi -arc target, magnetron sputtering source and magnetron sputtering target are installed respectively in multi -arc source interfacing part and magnetron sputtering source interfacing part, tube -shape cavity internally mounted at real empty room auxiliary heating device. Owing to be equipped with arc source device and magnetic -control sputtering device simultaneously in real empty room, both can carry out the multi arc ion plating membrane on a coating machine, can carry out the magnetron sputtering coating film again, the coating film or a coating film another kind of coating film more earlier of dual mode also can carry out simultaneously, have the advantage of a tractor serves several purposes, extensive applicability, coating film rich choice of products, arc source device and magnetic -control sputtering device circumference array arrange, the homogeneity of assurance coating.