For the first aid of fainting patients, first of all, keep the patient in the correct position to avoid further damage to health, secondly, call the emergency number and carry out subsequent professional first aid measures after the arrival of the doctor, mainly the following steps: first, maintain the correct position: lie flat or on your side, let the patient’s body get relaxed, if you wear tight clothes to untie in time, so that the patient can get unobstructed breathing; second, keep the respiratory tract Second, keep the respiratory tract unobstructed: prevent the tongue from dropping back and causing respiratory obstruction, prevent vomit inhalation, and keep the respiratory tract unobstructed; Third, monitor the vital signs: after the doctor arrives, he/she will monitor cardiac, respiratory, and blood pressure to see if the patient’s heartbeat is regular, blood pressure is low, breathing is stable, and the number of breaths is normal; Fourth, draw blood for laboratory tests: perform a full set of blood biochemical and routine tests to see if the patient There is no hypoglycemia, there are no various metabolic toxic diseases, liver and kidney function damage, there is no anemia, there is no abnormal blood gas, etc.; fifth, establish intravenous access: to ensure intravenous access, in case to implement rescue measures, to be able to intravenous administration of drugs, more convenient; sixth, ask the medical history: detailed questioning of the patient’s family whether there is a previous primary underlying disease, the medical history to ask, the onset of the process of Inquiries are made to facilitate the search for the causes of syncope and to arrange the next auxiliary examinations for different etiologies.