Left electric sliding door switch

The utility model relates to the technical field of sliding door switches, in particular to a left-side electric sliding door switch, which comprises a shell, a key and a cleaning component, and further comprises a second pneumatic tube mounted on the inner wall of the shell, a second scraper is fixedly mounted at one end of the second pneumatic tube, and a first pneumatic tube is fixedly mounted on the inner bottom wall of the shell. One end of the first air pressure pipe is fixedly connected with a first scraping plate, and after the second scraping plate moves to the first scraping plate, the first scraping plate moves upwards; the air blowing assembly comprises an air bag installed on the inner bottom wall of the key, one end of the air bag is fixedly connected with a second air guide pipe, and an air inlet hole is formed in the inner wall of the side, away from the key, of the shell. And meanwhile, dust on the scraping plate is blown off by using the blowing assembly, so that the circuit board of the ele