Efficient and environment-friendly fermentation box

The invention provides an efficient and environment-friendly fermentation box, and relates to the field of fermentation boxes. The efficient and environment-friendly fermentation box comprises a mainbox body, wherein a top plate is arranged at the top end of the main box body; a containing hopper is arranged at the bottom end of the interior of the main box body; fermentation mud is arranged at the inner end of the containing hopper; a heating box is fixedly arranged on one outer side wall of the main box body; a heating pipe is fixedly arranged on the side wall, which is close to the lower end, of the interior of the heating box; a water inlet is formed in the outer side wall, which is away from the main box body, of the heating box and is close to the upper end; a floating ball valve isfixedly arranged at the inner end of the water inlet; a placing frame is fixedly arranged on the inner wall, which is close to the middle, of the main box body; a supporting net is fixedly arranged at the upper end of the pla