The clinical manifestations of trauma may vary depending on the specific site of injury, the injured tissue and the factors causing the injury. Usually, trauma is caused by mechanical or external factors that damage the tissues or trachea, and localized abnormal redness, swelling, heat, pain, joint pressure, bone pain, and joint deformity at the injured site. If there is an obvious fracture, there will be severe pain and dysfunction of the joint area. In severe trauma, there will be obvious fatal hemorrhage, and in severe cases, there will be the manifestation of hemorrhagic shock or neurogenic shock, and patients will have different degrees of consciousness disorder, chest tightness, shortness of breath, difficulty in breathing, and in severe cases, there will be clinical manifestations such as asphyxia and transient unconsciousness.