Electronic cigarette capable of preventing cigarette holder from being polluted

The utility model relates to the technical field of electronic cigarettes, in particular to a cigarette holder pollution prevention electronic cigarette which comprises an electronic cigarette body, and a protection assembly is arranged at the side end of the electronic cigarette body. A cleaning assembly is arranged in the protection assembly; the protection assembly comprises a sliding sleeve, a clamping groove and a limiting marble. The sliding sleeve is connected to the outer side of the electronic cigarette in a sliding and sleeving mode, the two clamping grooves are symmetrically formed in the two sides of one end in the sliding sleeve, the two limiting marbles are distributed on the two sides of one end in the electronic cigarette in a sliding mode, and the limiting marbles can be clamped into the clamping grooves. According to the electronic cigarette disclosed by the utility model, the limiting marble which can contract when being extruded is arranged, the clamping groove is matched with the side end