There is no most effective way to treat droopy eyelids, also known as ptosis, and medication, surgery, etc. should be taken depending on the cause. Commonly, there are myasthenia gravis, brain tumor, dacryoadenitis and so on. 1. Myasthenia gravis: mainly manifested as ptosis, it should be treated with oral medication such as neostigmine, azathioprine, tacrolimus, etc. under the guidance of doctor. 2. Brain tumor: mainly manifested as headache and vomiting, may also appear the symptoms of ptosis, under the guidance of the doctor for surgical treatment. 3. Dacryoadenitis: mainly manifested as fever, pain in the lacrimal gland department and other symptoms, accompanied by ptosis. Antibiotic eye drops, such as levofloxacin eye drops, should be chosen. Ptosis may also be caused by older age, family genetics and other factors, and can be treated with blepharoplasty and other treatments, specific to the timely visit to the hospital, diagnosed by a professional doctor.