A strip light switch includes an insulative housing with terminal grooves and positioning grooves defined in an accommodation chamber therein, a terminal set including at least one first terminal, at least one second terminal and multiple third terminals mounted in the terminal grooves and multiple mating connection terminals detachably mounted in the positioning grooves in a replaceable manner for conduction with the third terminals, a conductive shrapnel mounted in the accommodation chamber, and a press device including a cylindrical press block supported on the conductive shrapnel pressable by a user to force the conductive shrapnel in conducting the first and second terminals, conducting plates mounted in the cylindrical press block and disposed in contact with the conducting plates of the mating connection terminal and a light-emitting component mounted in the cylindrical press block for electrical contact with the conducting plates.