The invention provides a detachable experimental box which comprises a box body. The inside wall of the box body is provided with a circuit board which is welded to the side wall of the box body. The detachable experimental box also comprises an experimental module which is detachably connected to the circuit board. A control system is fixedly connected to the circuit board. The detachable experimental box has the advantages of a simple structure and convenience in use, the problems of many disorder wires in the experimental box can be solved to a certain extent, and convenience is brought to replacement and repair.