The items that need to be checked for rhinitis include routine blood test, nasal endoscopy, allergen test and so on. 1. Routine blood test: It helps the doctor to judge whether the rhinitis is caused by bacterial or viral infection, and it can also help to judge the specific degree of inflammatory reaction. 2. Nasal endoscopy: Nasal endoscopy helps to determine the specific type of rhinitis by observing the shape and color of the nasal mucosa, the nature of the secretion and the location of the rhinitis. 3. In vitro allergen examination: used in the examination of allergic rhinitis, mainly through the blood test to find the allergens, which is conducive to targeted treatment. If you have rhinitis, it is recommended to consult the doctor in time, in addition to the above examination, imaging and functional examination can also be carried out to further clarify the diagnosis and confirm the condition.