Shear wall steel structure formwork

The utility model provides a shear wall steel structure formwork which comprises a supporting piece and a connecting piece, the supporting piece comprises at least two first formworks which are oppositely arranged, a supporting frame is arranged between the two first formworks, and the supporting frame is used for supporting the first formworks; the adjusting part is arranged between the two first templates, the adjusting part comprises at least two second templates which are in sliding fit with the first templates, the second templates are used for blocking a gap between the two first templates, locking parts are arranged on the second templates, the locking parts are respectively provided with switchable locking/unlocking states, and when the locking parts are in the locking state, the locking/unlocking states of the locking parts can be switched. The second template is fixed relative to the first template. The size of the formwork can be adjusted according to the requirement of the shear wall to be poured,