A dark circle on the lower eyelid may be caused by eye fatigue, chronic inflammation, eye trauma, etc. It can be improved by hot compresses and medication. 1. Hot compresses: If you have visual fatigue or stay up all night, and continue to be in a state of exertion, your eyes have not been able to rest, resulting in blood stagnation around the eyes, can not be fully refluxed, which may lead to a circle of darkness on the lower eyelids. Hot compresses to promote blood circulation and relieve eye fatigue can reduce the symptoms of dark circles on the lower eyelids. 2. Medication: Chronic inflammation, eye trauma, etc. require medication. (1) Chronic inflammation: If there is long-term chronic inflammation or conjunctivitis in the eyes, it may also lead to stagnation of blood around the eyeballs or eyelids, which can not get sufficient reflux and result in a circle of darkness on the lower eyelids. You can use chloramphenicol capsules, gentamicin sulfate eye drops and other medicines to treat the inflammation, as a way to relieve the phenomenon of a ring of darkness on the lower eyelid. (2) Eye trauma: eye trauma occurs after the eye socket is struck or impacted, and the resulting bleeding may flow under the eyelid to form a dark color, showing a dark circle on the lower eyelid. Anti-coagulant drugs such as clopidogrel sulfate tablets and aspirin can be used to promote the absorption and metabolism of bruises and alleviate the symptom of a dark circle on the lower eyelid. If the dark circle on the lower eyelid is not relieved for a long time, it is recommended to go to the hospital for examination as soon as possible and follow the doctor’s instructions for treatment.