Dust allergy is dust as an allergen, which is an inhalation allergy, such as excessive dust in the work or living environment, which is inhaled into the respiratory tract through respiratory movements, and this time there will be a series of allergy symptoms, such as itchy nose, repeated and continuous sneezing, and runny nose. In addition, the skin may also appear to have hives and an itchy rash. The eyes may be itchy, and there may be a large amount of discharge, usually clear-colored, accompanied by dyspnea, shortness of breath, and a persistent, irritating cough in severe cases. Early anti-allergic treatment is usually clinically indicated for dust allergy, and if necessary, anti-allergy treatment can be used during the remission period.