Abstract: This invention discloses an e-cigarette, integrated with functions of grinding, cutting and heating, comprising a case, wherein: the case is divided into a smoke control room and a grinding-cutting-hewing room. Upper part of the grinding-cutting-heating room comprises a tobacco grinding-cutting module and a heater and lower part of it comprises a rotatable ash funnel. A hole is set on the bottom of the ash funnel and combined with an air vent located on the bottom of the case to form a smoke ventilating passage. The upper part of the smoke control room comprises a cigarette holder, the cigarette holder connects a flexible conduit via a connector. The flexible conduit is connected to the grinding-cutting-heating room located on the other side. The lower part of the smoke control room comprises a power source, and the power source is connected to a PCBA on the same side.