Yellow discharge from the eyes is considered to be related to diseases such as dacryocystitis and conjunctivitis. 1. Dacryocystitis: usually caused by the obstruction of the tear duct, the cause of the disease is also related to the lesions and inflammation of the nearby tissues, systemic infections and foreign body stimulation. Patients often show eye redness, tearing and purulent discharge, which may lead to yellow discharge from the eyes. 2. Conjunctivitis: It is an inflammatory disease that mainly occurs in the conjunctival tissue, and the causes include infection, immunopathy and external stimulation. Patients often show redness and swelling of the eyes, itching and increased secretion, which may lead to yellow discharge from the eyes. If you find yellow discharge from the eyes, you should consult a doctor in time, have a relevant examination, make a clear diagnosis, and follow the doctor’s instructions to choose the appropriate treatment. In addition, you need to pay attention to personal hygiene, do not rub your eyes with your hands to avoid infection.