Asthma is a chronic airway disease, characterized by a chronic inflammatory response in the airways. It is usually caused by cold weather or inhalation of pollen, dust, consumption of fish and shrimp and other allergens that trigger airway spasm and airway obstruction, and the manifestation of obvious wheezing, difficulty in breathing and chest tightness, which can be life-threatening if not treated in time. The following teaches you how to save yourself in case of asthma attack. Action demonstration: Step 1 After getting out of the relevant allergenic environment in a comfortable position, let the patient take a sitting position, open the collar and rest properly. Step 2 Apply self-contained medication first apply a bronchodilator. Pull out the cap and shake it vigorously, let the patient exhale first, then press the drug while inhaling, shut up and hold the breath for 3-5 seconds after inhaling the drug. Then inhale the hormone medication and hold it for 3-5 seconds. Observe the patient’s condition. If there is no relief after 5-10 minutes, bronchodilator can be used again. Step 3 Continuous oxygenation When available, the patient can be given oxygen immediately. Special tips: 1. If symptoms are not effectively controlled after the above operations, seek medical attention immediately; 2. Once diagnosed with asthma, standardize long-term treatment and learn to use the inhalation device correctly; 3. In daily life, avoid contact with allergens, and the diet should be light, while strengthening physical exercise and avoiding strenuous exercise.