PURPOSE: To provide an apparatus for automatic preparation of bean curd at home without fail, and furnished with a pan for boiling raw GO juice (soybean juice ground together with lime), a rotary driving shaft, a heater, a mesh filter lid, an external receiving tank, etc.

CONSTITUTION: A pan 1 for boiling raw GO juice prepared by grinding raw soybean soaked with water or by immersing raw soybean flour in water is detachably attached to a motor shaft or a rotary shaft 3 driven with a motor. A heater 2 is placed near the bottom of the pan 1. A mesh filter lid 6 is detachably fit to the inner top surface of the pan 1. An external receiving tank 7 for soya milk separated by centrifugal squeezing is attached to the outer circumference of the pan 1. Soya milk received in the tank 7 is formed in a foaming pan 9.