The invention discloses a novel multifunctional working platform of a transformer substation. A threaded-dismounting fixed head is arranged at the upper top end of a working platform main body frame, a brace strut is mounted in the top end of the threaded-dismounting fixed head, a tool hanging hook is arranged on the brace strut, a multifunctional operating panel is arranged above the right side of the working platform main body frame, a folding shaft is arranged at the upper end of the middle part of the working platform main body frame, climbing foot pedals are mounted on the folding shaft, a load bearing leg is connected with the climbing foot pedals through a folding screw, a fire extinguisher placing shelf is arranged at the right lower side of the working platform main body frame, a telescopic first-stage step is arranged at the left side of the working platform main body frame, a working platform push-and-pull moving handle is arranged at the upper part of the right side of the working platform main body frame, and a pulley base is further at the same side of the lower part of the working platform main body frame. According to the novel multifunctional working platform, the structure is simple, the operation is simple, convenient, timesaving and laborsaving, and the difficulty of work of power working personnel is greatly lightened when the working personnel of the transformer substation carry out patrolling and overhauling on equipment.