Some rhinitis can be seen through blood tests, specifically the following analysis: First, allergic rhinitis, blood tests for special allergens will show that the concentration of some professional allergens is significantly high, suggesting that the patient may be allergic to the substance, and blood tests for total IgE concentration show that it is many times greater than the normal value, also suggesting that the patient is currently in the attack period of allergic rhinitis. Second, for acute rhinitis, blood can be drawn for routine blood tests, and generally lymphocytes will be significantly elevated, mostly suggesting that it is related to viral infections. In conclusion, some rhinitis can be detected by blood tests, but this can only be used as an auxiliary reference information. For the diagnosis of the disease, the patient must have a history of rhinitis and symptoms of rhinitis for the diagnosis to be more accurate.