Automatic hydraulic lining trolley is the one-step forming equipment for tunnel concrete lining, with such characteristics as: good casting quality, quick speed of molding and de-molding, convenient operation, safe and reliable. The gantry of the trolley has enough space for passing of transportation vehicles. Traveling of the whole trolley is driven by motor reducer or hydraulic motors. This formwork adopts complete hydraulic operation. The molding, de-molding and mechanical locking are all realized by hydraulic cylinders.