The invention discloses high-speed railway track board pre-tensioning method unit assembly line demolding equipment. Track board mold edge mold opening and closing and track board hoisting separation are set on a station, the station design is simplified, the equipment investment is reduced, demolding time is shortened, and the overall layout of the production line is simplified. A separated point-to-edge independent edge mold opening and closing device is arranged, a hydraulic oil cylinder is used a core component, the structure is simple, operation is convenient, synchronicity is high, and control is easy.