Ebastine is an anti-allergy drug, and the common cold medicine chlorpheniramine maleate, also known as paracetamol, are antihistamine drugs, also known as histamine H1 receptor blocking drugs. Paracetamol is the first generation of histamine H1 receptor blocking drug, Ebastine belongs to the second generation of H1 receptor blocking drug, the effect is stronger than paracetamol, less adverse reactions than paracetamol. Ebastine is mainly used for the treatment of urticaria, allergic rhinitis, eczema, dermatitis and pruritus, etc. It has a rapid onset of action after oral administration, is strong and has a long duration of action, and only needs to be taken once a day, which is convenient to use, and can be used by adults and children, for children over two years old and adults. The safety of epinastine in children under two years of age has not been established, and it should be used with great caution in pregnant women and is prohibited in nursing mothers.