The invention discloses a multifunctional domestic bread fermentation box, which comprises a box body, a box cover, a fixed through pipe, a support frame, a hook, a compartment frame, a fixed ribbon and a control assembly, and the control assembly is controlled by an input power supply, a device, output connection harness, heating device, humidifier, fan, temperature and humidity probe, and lighting lamp. The control assembly is self-contained and can be separated from the box and stored separately. The bread fermentation box provided by the present invention has a built-in Ultrasonic humidifier, fan, large-area heating device and temperature and humidity probe make the temperature and humidity distribution in the box more uniform, and make the temperature and humidity data detected by the controller more real in the box. The bread fermentation box has network communication, Foldable, easy to assemble and disassemble, easy to maintain, evenly heated and humidified, light in weight, easy to observe and economical and practical.