The simplest shock staging method is currently divided into 3 phases, the clinical characteristics of each phase are as follows: 1. The first phase is also called the early phase of shock, the patient will appear overexcited, irritable, conscious, pale skin, wet and cold, the lips of the mouth and nail bed will have a mild purpura, pulse is fast and strong, blood pressure is normal or high, diastolic blood pressure increases, and pulse pressure difference decreases. 2. Subsequently, entering the middle phase of shock, the patient will appear gradually hazy consciousness, In the middle stage of shock, the patient will experience gradual haziness of consciousness, indifference, weakness, slow response, fine pulse rate, decreased systolic blood pressure, decreased urine volume or anuria, inability to maintain blood pressure even after replenishing blood volume, organ dysfunction, metabolic disorders, and microcirculatory disorders. 3, then enter the late stage of shock, multi-organ failure, the patient will experience serious impairment of consciousness or even coma, and in serious cases, upper gastrointestinal bleeding, hematuria, and other irreversible In severe cases, it may be combined with upper gastrointestinal bleeding, hematuria and other irreversible reactions.