Lighting device for elevator

The utility model discloses a lighting device for an elevator. Lamp holder, a smoke sensor is embedded in the left end of the bottom of the lamp holder; a temperature sensor is embedded in the right end of the bottom of the lamp holder, an air groove is formed in the upper end of an inner cavity of the lamp holder, a plurality of air holes are formed in the inner cavity of the lamp holder and located in the bottom of the air groove at equal intervals, and the left end of the top of the lamp holder is fixedly connected with a purification box with an inner cavity fixedly connected with an HEPAfilter screen and a polyvinyl chloride filter screen in sequence. The smoke exhaust ventilator is provided with a smoke sensor, an air hole, an air groove, a pipeline, a suction ventilator body, a purification box, an HEPA filter screen and a polyvinyl chloride filter screen. According to the elevator, the purpose of purifying the environment in the elevator can be achieved, the body health of people is guaranteed, the he