Red bumps under the eyes can be caused by blepharitis, blepharocysts, dacryocystitis and other diseases, and patients need to take general treatment, medication and surgical treatment for the cause of the disease. 1. Blepharitis: red bumps under the eyes may be caused by blepharitis, patients can be under the guidance of the doctor local application of antibiotics, such as levofloxacin, erythromycin, etc., and when the symptoms are serious, you can take antibiotics orally, such as cefuroxime tablets. 2. Blepharocysts: red bumps under the eyes may also be caused by blepharocysts, early patients can be localized hot compresses, if the blepharocysts can not be cured, need to take the blepharocystectomy, so as to control the condition and alleviate the symptoms. 3. Dacryocystitis: red bumps under the eyes is also considered to be caused by dacryocystitis, early can follow the doctor’s instructions for the external use of antibiotic eye drops, such as levofloxacin hydrochloride eye drops, etc., after the control of inflammation can be taken as prescribed by the doctor for surgical treatment, such as removal of the lacrimal sac, nasal lacrimal sac anastomosis, etc.. There are many causes of red bumps under the eyes, it is recommended that patients go to the regular hospital to improve the examination to clarify the cause of the disease. Drugs should be used under the guidance of a doctor, do not blindly use their own medication.