Feeling a struggle to get out of the air, consider bronchospasm causing airway narrowing, most of them are bronchial asthma lesions, need to perform bronchodilator test and pulmonary function test. If the pulmonary function test is normal and the use of bronchodilators suggests a positive result, such as a 15% increase in the volume of breath in the first second after inhalation of bronchodilators, it is considered that there is a reversible lesion in the airway, which is basically certain that it is asthma. Should be timely treatment with bronchodilators, such as the choice of salbutamol nebulized inhalation. It is important to pay attention to reasonable work and rest, avoid excessive exertion, not to carry out strenuous physical exercise, eat more vegetables and fruits, and avoid contact with allergens and adverse environmental stimuli in life.