The invention discloses an environment-friendly meat product smoking device which comprises a smoke production tank, a smoking tank and a smoke purification tank. The side wall of one side, close to the smoking tank, of the smoke production tank is provided with a smoke outlet and a buffer groove, a blocking door movably penetrates the smoke outlet, a pull rope is fixedly arranged at one end, faraway from the smoke outlet, of the blocking door, one end, far away from the blocking door, of the pull rope is fixed onto a push rod, a smoke generation box is arranged in an inner cavity of the smoke production tank, a center rod movably penetrates the upper wall of the smoking tank, one side, close to a suspension rod, of the center rod is provided with a weighing sensor, and the weighing sensor is electrically connected with a telescopic cylinder. According to the environment-friendly meat product smoking device, corresponding quantities of fuels can be automatically added according to theweight of a smoked product, product quality conformance is ensured, the communication area of the smoke outlet is automatically controlled according to the quantities of the fuels, uniformity and continuity of smoke are kept, and the device is convenient to use and quite worthy of popularization.