The timing of hyperbaric oxygen therapy for craniocerebral injury is immediately after the appearance of craniocerebral injury, generally 10 days for a course of treatment. If the patient’s vital signs are stable and there are no contraindications, hyperbaric oxygen therapy should be carried out as early as possible when craniocerebral injury occurs. The earlier hyperbaric oxygen therapy is administered after craniocerebral injury, the higher the chance of cure and the fewer the sequelae. Craniocerebral injury hyperbaric oxygen therapy course needs to be judged by the doctor according to the condition, generally 10 days for a course of treatment, the need to give the patient a full course of treatment, adequate amount of hyperbaric oxygen therapy, which is to promote the patient’s recovery, wake up, very good. It is recommended that after the occurrence of craniocerebral injury, we should consult the hospital in time, and take hyperbaric oxygen therapy as soon as possible, which is more effective in improving the function of the damaged nerve cells.