Multifunctional efficient grain steaming all-in-one machine

The invention provides a multifunctional efficient grain steaming all-in-one machine, and relates to the field of household kitchens. The multifunctional efficient grain steaming all-in-one machine comprises a machine box, and supporting legs are fixedly arranged at the four corners of the bottom end of the machine box; a spreading and cooling plate and a partition plate are arranged at the positions, close to the upper end, in the machine box and fixedly connected to the inner wall of the machine box; the spreading and cooling plate is arranged at the upper end of the partition plate; a drainage plate is arranged at the bottom end in the machine box; the drainage plate is fixedly connected to the inner wall of the machine box; a drainage port is fixedly formed in the position, close to the lower end, of one side wall of the machine box; an air inlet is fixedly formed in the position, at the upper end of the drainage port, of the side wall of the machine box; the inner end of the drainage port and the inner e