Lung bronchoscope with multiple channels

The invention discloses a lung bronchoscope with multiple channels, and relates to the technical field of lung bronchoscopes, the lung bronchoscope comprises an insertion part, one end of the insertion part is connected with an operation part, the other end of the insertion part is a tip part, the insertion part comprises a mounting layer, a supporting layer and a wrapping layer which are sequentially arranged from inside to outside, the mounting layer is internally provided with a plurality of channels, and the supporting layer is provided with an opening; each channel penetrates through the tip part and the insertion part and extends into the operation part, and comprises an air inlet channel supplied with air by an air inlet head on the operation part, and an air outlet channel supplied with air by an air outlet head on the operation part; the suction channel is coaxially arranged on the outer side of the air inlet channel, and negative pressure suction force is provided by a suction head on an operation p