The invention discloses medical devices and particular discloses an oral type cell tumor collector. The oral type cell tumor collector comprises a collector outer housing and a single valve and is characterized in that the a collector inner housing is arranged in the collector, the collector outer housing is provided with a helical cell collection groove connected to a cell collection tube, one end of the cell collection tube is connected to a collector outer tank, a collector inner tank is arranged in the collector outer groove, both ends of the collector inner groove are provided with an vent tube, the single valve is arranged in the middle portion of the vent tube, and one end of the vent tube is connected to a vent tube opening. The oral type cell tumor collector has the advantages of being simple in structure, easy to use, low in cost, capable of collecting tumor cells easily without harm to a patient, simple in examination process, capable of causing no pain to the patient in the examination process, accurate in collection result and capable of bringing great convenience to doctors and patients.