Red eyes may be caused by bad habits, eye trauma, local inflammation and other reasons. 1. Bad habits: If the patient has long-term late night, excessive eye use and other bad habits, the patient may appear conjunctival congestion, dry eyes, soreness and other symptoms. Patients should pay attention to eye rest, avoid excessive eye use, so as not to aggravate the symptoms. 2. Eye trauma: eye trauma patients because of eye impact or bump, the patient’s eyes may appear congestion, swelling and other symptoms, can also be accompanied by subcutaneous bruising, eye pain and other symptoms. 3. Local inflammation: Conjunctivitis, blepharitis and other ocular inflammatory diseases, under the stimulation of inflammation, eye congestion, swelling, pain and other symptoms. Patients can use tobramycin eye drops, erythromycin ophthalmic ointment and other medications as prescribed by the doctor to promote the recovery of the condition. It is recommended that patients with obvious redness and swelling of the eyes should consult a doctor in time to clarify the cause of the disease and carry out treatment under the guidance of the doctor.