The invention provides an automobile housing mould, which includes a moulding device, a mould base device and a pouring device. The moulding device includes an upper mould core, a lower mould core anda lateral moulding mechanism, the upper mould core is arranged on the lower mould core, the upper mould core is internally provided with an upper jacking assembly, the lower mould core is internallyprovided with a lower jacking assembly, and the lateral moulding mechanism includes a plurality of sliding blocks, and the sliding blocks are enclosed with the upper mould core and the lower mould core to form a product mould cavity; the mould base device is arranged on the outer side of the moulding device, and is successively provided with a top plate, a first ejector plate, a second ejector plate, a middle plate, an upper mould plate, a lower mould plate, an ejector pin panel, an ejector pin base plate and mould feet from top to bottom; and the pouring device is provided with a channel allowing liquid plastic to flow, one end of the channel communicates with the product mould cavity, and the other end of the channel is arranged on the top plate. According to the automobile housing mould, the problems of the poor ejector pin reset effect and the unsatisfactory side edge forming effect are solved.