Onion can cure rhinitis, this claim has no scientific basis, and onion has a certain irritation, not suitable for rhinitis patients to eat. 1. There are many types of rhinitis, such as atrophic rhinitis, allergic rhinitis, chronic hypertrophic rhinitis, etc. For different types of rhinitis, the treatment methods are different, and commonly used treatments include medication and surgery, and scallions are just a kind of food, and there is no authoritative literature that proves that scallions can cure rhinitis. 2. As a kind of food, onion is more as a kind of ingredient to eat, can only enrich the human body daily nutrients, does not have the role of treatment of disease. And onions belong to the stimulating food, rhinitis attack diet should be light and easy to digest, do not recommend eating too much stimulating food, so as not to aggravate the symptoms of nasal congestion, itchy nose, runny nose, sneezing. If you suffer from rhinitis, you need to standardize the treatment under the guidance of a professional doctor in a regular hospital, and it is not recommended to use a prescription or other methods of treatment that have no scientific basis.