Hyperbaric oxygen chamber is a specialized medical equipment for hyperbaric oxygen therapy, which belongs to Class III medical devices. The basic function of hyperbaric oxygen chamber is to rescue and treat ischemic and hypoxic diseases. The scope of application of hyperbaric oxygen chamber is relatively wide, and it can be used for the treatment of anaerobic bacterial infections, CO poisoning, traumatic brain injury and so on. If you need to be treated by hyperbaric oxygen chamber, you must be examined by a specialist doctor before treatment, and you can enter the chamber only after confirming that there is no contraindication. Moreover, before entering the chamber, the specialist will teach the patient to do the action of drumming and regulating the pressure to prevent earache in the process of pressurization. At the same time, patients and their families will be reminded not to bring fire, flammable and explosive, volatile substances, etc. When receiving hyperbaric oxygen chamber treatment, you need to listen to the command of the cabin operator, and do a good job of regulating the pressure during the pressurization process, and if earache occurs, you need to notify the cabin operator in time, so that the cabin operator slows down or suspends the pressurization. After the pressure reaches the therapeutic pressure, you should follow the instructions of the professional staff and wear a good mask to inhale oxygen.