A button system for industrial AC/DC relays comprising a casing (10), a button (5), a driving block (7), an indication board (8) and a core propelling block (6), wherein the cover board (1) and the housing (2) fixed with each other, and at least an opening (11) for pulling the button (5) is arranged on the cover board; the button (5) is pivoted on the top of the casing (10) by the transverse shaft (51); the driving block (7) mounted in the casing (10), the end of the driving block (7) abut against the toughing portion (53) of the button (5); the indicator board (8) is pivoted in the casing (10), the upper portion of the indicator board (8) abut against the front end of the strip driving arm (71) of the driving block (7), and the lower portion is match with the core propelling block (6).