Steel structure wallboard convenient to fold

The invention discloses a steel structure wallboard convenient to fold, and relates to the technical field of steel structure wallboards, the steel structure wallboard convenient to fold comprises a first wallboard, a folding mechanism, an inserting mechanism and a second wallboard, the second wallboard is arranged on the right side of the first wallboard, and the folding mechanism is arranged on the front surfaces of the first wallboard and the second wallboard. A first connecting rod and a second connecting rod are arranged on the first wall plate and the second wall plate correspondingly, after the first wall plate and the second wall plate are unfolded, a clamping plate on the first connecting rod can be inserted into a clamping box, a clamping block is jacked upwards, and when a clamping opening is located under the clamping block, the clamping box is clamped in the clamping box; a clamping block is inserted into a clamping opening under the action of a first spring, automatic fixing is achieved when the