Allergic rhinitis patients with enlarged lacrimal caruncle is usually due to local inflammation, need to be examined, if it is caused by allergic factors, you can order orotidine hydrochloride eye drops and other treatments; if it is caused by infectious factors, you need to order ofloxacin eye drops and other treatments. The swelling of the lacrimal caruncle indicates the presence of local inflammation, but the nature of the inflammation is not certain. Patients with a history of allergic rhinitis may have an enlarged lacrimal caruncle due to allergic factors, and can be treated with anti-allergic eye drops, such as olopatadine hydrochloride eye drops and azelastine hydrochloride eye drops, after examination and confirmation of the diagnosis. If the examination is not related to allergy, but due to infection, generally need to use anti-infection eye drops treatment, such as ofloxacin eye drops, tobramycin eye drops and so on. The patient should go to the ophthalmology department of the hospital in time, and the doctor will do a slit lamp microscopic examination to make a clear diagnosis before treatment. The medication should be used in accordance with the doctor’s instructions, and not blindly by oneself.