Tears in the eyes when a person eats may be related to food irritation, facial neuritis and other factors. 1. Food irritation: when a person eats things with irritating flavors such as chili, mint or mustard, these irritating flavors may stimulate the lacrimal glands to reflexively secrete tears, so there will be the manifestation of tears in the eyes when eating. 2. Facial neuritis: If the patient’s facial nerve is damaged due to trauma, infection or wind-cold, etc., and gradually develops into facial neuritis, with the progression of the disease, the sensitivity of the facial nerve increases, and when the person eats, it may cause tearing performance. It is recommended that patients with tearful eating and other discomforts should consult a doctor in time to evaluate their condition and follow the doctor’s instructions for treatment.