Asthma is a disease characterized by chronic inflammation of the bronchial mucosa, which increases the reactivity of the bronchi to a variety of stimuli, leading to diffuse spasm of bronchial smooth muscle. Bronchospasm is not fixed, and can often be reversed spontaneously or after the use of bronchodilators.

Asthma is not a rare disease, it is considered to cause many inconveniences in life. To help control the disease better, many people have proactively used popular asthma management tools today.