Drinking herbal tea generally does not cause eye swelling, which is usually associated with inflammatory infections, allergies, kidney disease and other causes. Although drinking a lot of water may cause water retention, but the body will respond quickly such as antidiuretic hormone secretion decreased, increased urination, usually does not appear edema symptoms, so simple drinking herbal tea usually does not cause patients with swollen eyes. Swollen eyes are usually associated with inflammatory infections, such as conjunctivitis, keratitis, blepharitis and so on. There are also some patients are caused by eye allergies, if the patient is allergic to pollen, mites, dust, etc., eyelid swelling can occur. Eyelid swelling may also be due to some organ diseases, including liver disease, heart disease and kidney disease, etc., which are not essentially related to drinking herbal tea. Patients with significant eye swelling are advised to seek medical attention to evaluate their condition and follow medical advice.