High-frequency hot-pressing continuous automatic production lines for dimensional bamboo timbers, and production methods thereof are provided. The production line can include a clip-up store and feeding mechanism fixed with one end of a three-roller type gluing system. An other end of the three-roller type gluing system is fixed with one end of a system for loading, layer up and stacking non-glued bamboo sheets. The outer side edge of the system for loading, layer up and stacking non-glued bamboo sheets is connected to a front inner end of a plate stack conveying system. A high-frequency press and high-frequency generator system is located at a rear inner end of the system for loading, layer up and stacking non-glued bamboo sheets.