Musical instrument foot switch

The utility model relates to the technical field of switches, in particular to a musical instrument foot switch which comprises a base, a pressing rod and a shell connected with the base. The base is provided with an accommodating groove; a contact terminal is arranged at one end of the accommodating groove; a conductive roller is movably arranged in the accommodating groove; a guide assembly for guiding the conductive roller is arranged in the accommodating groove; an abutting piece and a transmission piece used for driving the conductive roller to move are arranged in the containing groove. A first spring is arranged between the abutting piece and the transmission piece. A swing block is rotationally arranged in the shell; the swing block abuts against the abutting piece. The pressing rod is used for driving the swing block to swing. According to the utility model, through the arrangement of the first spring and the second spring, when a user presses the musical instrument foot switch, the pressing of the m