High-flow breathing humidification treatment device capable of treating pipeline accumulated water

The invention discloses a high-flow breathing humidifying treatment device capable of treating accumulated water in a pipeline. The high-flow breathing humidifying treatment device comprises a suction pipe, a humidifying tank and a breathing machine pipeline, the suction pipe is connected with the humidifying tank, the humidifying tank is connected with the breathing machine pipeline, and the breathing machine pipeline comprises an internal pipe, an external pipe, a connecting longitudinal pipe and a connecting transverse pipe; the built-in pipe is arranged in the external pipe in a sleeving manner; a plurality of expansion tube parts are arranged on the built-in tube at certain intervals in a communicating manner; a connecting longitudinal pipe is arranged at the lower end of each expansion pipe part, and all the connecting longitudinal pipes are connected through connecting transverse pipes; the lower ends of the connecting longitudinal pipes at the middle part and the two side ends respectively extend out