The utility model relates to a control cancer medicine electron rifle of dosing, it includes liquid storage pot, atomizing chamber, atomization component, battery pack, control circuit board, gas sensor and suction nozzle, wherein, the liquid storage pot setting in the dose lower part of rifle of electron, be provided with the baffle on the upper portion of liquid storage pot, be provided with the medicine of preventing and treating lung cancer in the liquid storage pot, be provided with vertical first transfer line in the centre of liquid storage pot, the upper end of first transfer line is connected with the buffering sap cavity, be provided with the second transfer line on the upper portion of buffering sap cavity, the second transfer line sets up in the atomizing chamber of buffering sap cavity upper end, is provided with atomization component in the chamber that atomizes, and atomization component and control circuit board are connected, upper end in the chamber that atomizes is connected with first gas -supply pipe, and the upper end of first gas -supply pipe is provided with the suction nozzle pipeline. The utility model discloses a control cancer medicine electron rifle of dosing simple structure is compact, and weight is even, many pipe transmission, it is more comfortable in the time of in the assurance sunction inlet, avoid haring the human body.