The invention discloses carton opening equipment. The carton opening equipment comprises a carton feeding workstation, a carton lifting and pulling workstation, a transferring mechanism for transferring cartons from the carton feeding workstation to the carton lifting and pulling workstation, a lifting and pulling mechanism for lifting and pulling the upper parts of the cartons to open the cartons, a cartoning workstation, a conveying mechanism for driving the lifting and pulling mechanism to move between the carton lifting and pulling workstation and the cartoning workstation, and a retaining mechanism arranged at the cartoning workstation and used for retaining the cartons in an open state. The carton opening equipment can reduce participation of operating personnel, can lower the labor intensity of the operating personnel and can improve the efficiency; through reasonable arrangement of the transferring mechanism and a placing frame, the cartons can be output conveniently, and can be output one by one; in addition, the carton opening equipment is applicable to the cartons with different heights, so that the application range of the carton opening equipment is widened; furthermore, through reasonable arrangement of the retaining mechanism, the opening stability of the cartons can be improved.