PURPOSE: A method of manufacturing functional black bean curd is provided to improve the functionality and taste by using black bean powder and soft water. CONSTITUTION: Unroasted soy milk is manufactured by mixing black bean powder with soft water at a ratio of 1:7 in a portable mixer at 1600 rpm for 5 minutes. The unroasted soy milk is steamed with the heating source of nichrome heating wire and the far IR emitted from ceramic coating and a carbon ball so as to manufacture steamed soy milk. Functional black bean curd is manufactured by adding coagulating agent 0.5 wt% and natural additive 0.5 wt% to the steamed soy milk. The method of manufacturing black bean curd uses an aluminum ceramic heating wire composite apparatus including the following apparatus: an aluminum ceramic coating container equipped with the nichrome heating wire; a bimetal connected to the nichrome heating wire; a temperature sensor sensing the temperature of the steamed soy milk; a portable mixer mixing the black bean powder and soft wa