1, the emergence of symptoms, such as nasal itching, continuous sneezing, large amounts of clear water-like nasal discharge, etc., these are the basis for the diagnosis of allergic rhinitis. 2, allergic rhinitis diagnosis when detailed medical history, the past medical history and family history aspects, especially allergic diseases, to find the relevant etiology. 3, anterior rhinoscopy: allergic rhinitis diagnosis can be seen in the pale edema of the nasal mucosa, a large amount of clear water-like secretions, if due to persistent edema can occur nasal polyps or polypoid degeneration. 4, nasal secretion smear examination: during the onset of allergic reactions, eosinophilic leukocytes can be seen in the nasal secretions, and more eosinophilic leukocytes or mast cells can also be detected in the diagnosis of allergic rhinitis. 5, allergic excitation test: generally with skin tests (scratch, intradermal and contact method, etc.), the principle of allergic rhinitis diagnosis is that there are a variety of hypothetical allergic substances, so that after contact with the organism, depending on whether there is a reaction appears, can assist in the diagnosis of allergic rhinitis.