Spicy sensation in the patient’s eyes may be caused by overuse of eyes, allergy, conjunctivitis and other reasons. 1. Excessive eye use: In daily life, if patients often use computers and cell phones, which produce a certain amount of radiation to the eyes, long-term use may lead to patients’ eyes burning, pain, spiciness and other uncomfortable symptoms. 2. Eye allergy: eye allergy is mainly caused by allergic patients who come into contact with certain allergens or consume certain irritating substances, and patients usually experience burning and pain around the eyes. 3. Conjunctivitis: Conjunctivitis is an infectious eye disease, mainly caused by bacterial and viral infections, under the stimulation of inflammation, patients can appear eye congestion, eye stinging, photophobia and other uncomfortable symptoms. It is recommended that patients who experience a spicy sensation in their eyes should seek prompt medical attention to assess their condition and follow the doctor’s instructions for treatment.