Pedal modulation konghou

The invention provides a pedal modulation konghou (an ancient plucked stringed instrument), and belongs to the technical field of konghou. The pedal modulation konghou comprises a base and a pedal mechanism. The pedal mechanism comprises a pedal plate, a compression bar, a compression bar holder, a torsion spring, and a spring support bar. The base comprises an upper base plate, a lower base plate, and a side base plate. The compression bar consists of a front compression bar section and a back compression bar section. The side base plate is provided with an L-shaped slide slot. The compression bar holder is arranged on the upper base plate. The two ends of the back compression bar section are respectively hinged to the compression bar holder and one end of the front compression bar section. The other end of the front compression bar section is disposed at the L-shaped slide slot, and is connected with the pedal plate. The spring support bar is arranged in a position adjacent to the compression bar, and the t