The invention provides a movable multifunctional activated carbon waste gas treatment box, comprising box doors, a treatment box body, an impurity filtering screen, a gas inlet pipe, fan blades, a drive motor, a U-shaped hanging board, a sliding rail, a gas outlet pipe, an activated carbon waste gas treatment filter screen structure, a adjusting bolt, a portable lifting rope structure, a waste gastreatment sterilizing lamp structure, a waste gas emission detection rod structure and an adjustable lifting type moving wheel, wherein the box doors are respectively connected with the left part andthe right part of the front surface of the treatment box body by means of hinges; an anisotropic magnet piece is arranged in the middle of the position between the box doors. The movable multifunctional activated carbon waste gas treatment box is provided with waste gas treatment nets, absorption boards, absorbing wool and impurity absorbing sponge pieces, thus being beneficial to improvement ofwaste gas treatment effect, enabling waste gas treatment to more easily reach the standard, and realizing the absorption of impurities and fine particles in waste gas; a U-shaped sliding block, the sliding rail and the adjusting bolt are arranged, so that the position of the activated carbon waste gas treatment filter screen structure can be easily adjusted according to the waste gas treatment demand, a certain spacing is reserved, the treatment effect is further guaranteed.