Universal formwork of steel mould trolley for tunnel lining construction and use method of universal formwork

The invention discloses a universal formwork of a steel mould trolley for tunnel lining construction. The universal formwork comprises a plurality of formwork units, wherein each formwork unit consists of an arc-shaped formwork of a rectangular structure and a formwork framework arranged on the periphery of the arc-shaped formwork; each arc-shaped formwork is a rectangular formwork formed through being bended along the short edge; formwork connecting holes are uniformly distributed in the longitudinal surface of the two long edges of each formwork framework; and formwork installing holes are uniformly distributed in bottom side frames between the two long edges of the formwork frameworks separately arranged above the rectangular formworks. The universal formwork has the advantages that the formwork units are changed to be bent along the short edges to form a rectangular formwork, so that the length in the axial line direction of a tunnel is long, and the length in the cross section direction of the tunnel is