The white sticky substance appearing in the corner of the cat’s eyes may be caused by viral infection. Take the cat to the pet hospital for examination and treatment in time. Clean the cat’s eye secretions every day. You can use a clean cotton swab dipped in anti-inflammatory medicine to give the cat a gentle Wipe gently, adjust the cat's diet during the period, try to give the cat some light and easy-to-digest food, and guide the cat to drink more water.