Oxygen intake for asthma is about $20 a session, with some variation in the exact cost. Oxygen mainly has low-flow oxygen, high-flow oxygen, most of the oxygen is in accordance with the time to charge; if the choice of low-flow oxygen, that is usually about 2 dollars an hour; if the choice of high-flow oxygen, that is usually about 5 dollars an hour; the specific cost needs to be decided according to the local hospitals, each hospital’s markups are different. Asthma oxygen also need to use materials, such as disposable oxygen masks, oxygen tubing, etc., these need to be charged again; in addition, if the choice of hyperbaric oxygen chamber oxygen, the cost has risen, then the overall may need more than 50 yuan; if the choice of respiratory oxygen, then the overall cost of about 20 yuan. The cost of oxygen for asthma suggests that patients go to the local hospital for consultation.