Itching in the corner of the patient’s right eye may be caused by allergic conjunctivitis, contact dermatitis, viral blepharodermatitis, and canthal blepharitis due to vitamin B2 deficiency Mo-Albicans infection. When patients are allergic to pollen, mites and cosmetics, itchy manifestations in the corners of the eyes or the entire eye can occur due to hypersensitivity reactions. Patients should promptly detach themselves from the allergens and use anti-allergic and hormonal drugs such as Olopatadine and Flumethasone as prescribed by the doctor. Contact blepharitis can also lead to itchy eyes, patients should avoid the use of cosmetics and so on. The itchy corner of the patient’s right eye can also be caused by adenovirus, herpes virus infection caused by viral blepharitis, etc., the patient can follow the doctor’s instructions to use acyclovir and other antiviral treatment. Mo – a bacillus infection or vitamin B2 deficiency and other conditions can lead to canthus blepharitis, the patient will also appear in the corner of the eye itching and other uncomfortable symptoms, the patient needs to be targeted to supplement vitamin B2 or follow the doctor’s instructions to use zinc sulfate eye drops and other drugs. It is recommended that patients with persistent itching in the corners of the eyes should seek medical attention to evaluate their condition and follow the doctor’s instructions for treatment.