Integrated module of oxygen inhalation and negative pressure suction

The invention provides an integrated module of oxygen inhalation and negative pressure suction. The integrated module of oxygen inhalation and negative pressure suction comprising a valve, as well asan air inlet connector, a first air outlet terminal, a second air outlet terminal, an adjusting needle valve, a negative pressure generator and a negative pressure relief valve arranged on the valve;a flow channel Qf2, a flow channel Qf3, a slant hole, an annular chamber Qb1, an annular chamber Qb2, a passageway Qb6 and an air chamber Qb9 are arranged inside the valve; a flow channel Qf1, which can be opened, is arranged inside the air inlet connector; a flow channel Qf4 and a flow channel Qf6 are arranged inside the first air outlet terminal; a flow channel Qf5 and a flow channel Qf7 are arranged inside the second air outlet terminal; the negative pressure generator comprises a nozzle, a diffuser, a silencer hood and silencer sponge; an annular chamber Qb3 is arranged inside a large opening end of the nozzle while an injection chamber Qb4 is arranged inside a small opening end of the nozzle; a passageway Qb7 is arranged inside the negative pressure relief valve; a circular hole Qb8 is arranged at a large opening end of the negative pressure relief valve; and a mixing chamber Qb5 and a diffusing chamber Qb10 are arranged inside the diffuser. The integrated module of oxygen inhalation and negative pressure suction is capable of supplying oxygen according to needs of a patient, as well as carrying out negative pressure suction therapy without vacuum source.