Bruising around the eyes after knocking the forehead, for safety reasons, it is recommended to carry out examination, there may be orbital fracture, optic nerve damage and other lesions. Bruising around the eyes after a forehead bump is generally due to the richness of capillaries in the forehead and eyes, and the bump leads to localized rupture of the Miao capillaries, causing bruising of this phenomenon. Because of the fragile tissues around the eyes, after the trauma, the patient may have orbital fracture, optic nerve damage and other lesions, the patient should consult the hospital in time for examination and exclusion of lesions, to avoid delaying the condition and damaging the patient’s eyesight. It is recommended that traumatized patients consult the hospital in time to assess their condition and follow the doctor’s instructions for treatment.