1.Environment and rest: Keep the indoor air fresh, temperature and humidity appropriate, avoid the stimulation of harmful odors and bright light, and provide a quiet and comfortable environment for the child to rest. 2.Take a sitting or semi-sitting position during an asthma attack. Encourage the child to tell the health care personnel about the discomfort in time and try to meet the reasonable requirements of the child. 3.Help and instruct the family to pat the child’s back and expel sputum: slightly flex the metacarpophalangeal joints, put the five fingers together and pat the back rhythmically from bottom to top and from outside to inside, encouraging the child to cough while patting. 4.Promote the relevant examination and treatment, and obtain the cooperation of the child and family members. 5. Prevent recurrence: (1) Instruct parents to increase nutrition for the child, engage in outdoor activities, get more sunlight, enhance physical fitness and prevent respiratory tract infections. (2) Instruct the child and parents to identify the causes of asthma attacks: a infection b food: fish, shrimp, eggs, milk, etc. c contact and inhalation: dust mites, pollen, fungi, animal dander, etc. d other: cold, dry air, strong-smelling chemical agents, etc. (3) Inhaled maintenance glucocorticoids to control airway reactive inflammation is the key to prevent recurrence, and parents are instructed to maintain medication after discharge to reduce recurrence. (4) When asthma attacks cannot be controlled with maintenance medication, seek medical attention promptly to control severe asthma attacks.