A household soybean milk and bean curd machine comprises a milk producing assembly, a brine box and a main box assembly, wherein the milk producing assembly and the brine box are placed on the main box assembly; the milk producing assembly comprises a milking cup, a filter net, a motor, a motor rotary shaft and a cutter, the motor is fixed on a cover of the milking cup, the motor rotary shaft perpendicularly extends into the cup and is placed in the filter net, and the lower end of the motor rotary shaft is connected with the cutter; the main box assembly comprises a box, a guide pipe A, a guide pipe B, a bean curd forming box, a wastewater box, a stirring mechanism, an extrusion mechanism and a conveying mechanism, the stirring mechanism and the extrusion mechanism are fixed at the innertop of the box, the conveying mechanism is mounted at the bottom of the box, the bean curd forming box is placed in the middle of the wastewater box mounted on the conveying mechanism, the guide pipeA is communicated with the milking cup and the bean curd forming box, and the guide pipe B is communicated with the brine box and the bean curd forming box. The machine is small in overall size, simple in structure, easy to dismount and clean, suitable for daily self-production of bean curd in households, convenient, quick, sanitary and clean.