Dark circles in the eyes may be caused by mosquito, cataract and other reasons, patients can improve the symptoms by treating the primary disease, different causes of different drugs, iodine preparation, antioxidant damage to the eye drops can be chosen. 1. Flying mosquito: patients can follow the doctor’s instructions to use iodine preparation eye drops for treatment, such as amiodarone peptide eye drops, which can improve the symptoms of some patients, but also can use some eye nutritional drugs, such as vitamins, lutein preparations, and so on. 2. Cataract: cataract patients can follow the doctor’s instructions to use antioxidant damage drugs, such as glutathione eye drops, but also can use benzyl lysine eye drops, pinoxin eye drops and other drugs for treatment, but also oral auxiliary nutrient drugs, such as vitamin C, vitamin E. Dark circles in the eyes to see things may also be other reasons, the specific medication also need to go to the hospital to check and confirm the diagnosis, under the guidance of the doctor to choose, the patient must not unauthorized use of medication, stop or change medication, so as not to cause adverse consequences.