Electronic cigarette capable of preventing oil leakage

The utility model relates to the technical field of electronic cigarettes, in particular to an electronic cigarette capable of preventing oil leakage, which comprises a main body, an atomizer is mounted at the top of the main body, a smoke outlet and an insertion opening are formed in the top of the atomizer, a plurality of switchable smoke tubes are arranged in the atomizer, and the interior of the atomizer is divided into a smoke outlet area and a cleaning area; when one smoke pipe is switched to the smoke outlet area through the switching assembly and is in butt joint with the smoke outlet channel, the other smoke pipe is switched to the cleaning area; the cleaning assembly can clean the smoke pipes in the cleaning area, through cooperation of the parts, the smoke pipes can be switched after the electronic cigarette is turned on so that it can be guaranteed that the smoke pipes through which smoke passes are clean every time, and when one smoke pipe is used, the other smoke pipe can be cleaned up before th