Repeated redness in both eyes may be caused by conjunctivitis, overuse of the eyes, eye trauma, etc. Patients can take physical therapy and medication according to the cause of the disease. 1. Conjunctivitis: the patient’s eyes are infected by bacteria and other germs to appear conjunctivitis, under the stimulation of inflammation, the patient can appear eye congestion, redness, patients can follow the doctor’s instructions to use tobramycin eye drops, levofloxacin eye drops and other medications to control inflammation, relieve discomfort. 2. Excessive eye use: If patients face electronic products for a long time, visual fatigue can occur, resulting in conjunctival congestion and redness of the eyes, patients need to pay attention to rest, avoid facing electronic products for a long time to relieve visual fatigue. 3. eye trauma: after the patient’s eyes were traumatized, there is also the performance of red eyes, within 48 hours of the patient’s eyes can be treated with local cold compresses to achieve the effect of swelling. 48 hours after the local hot compresses, to promote the swelling to subside. It is recommended that patients with obvious eye congestion consult a doctor in time to assess their condition and follow the doctor’s instructions to choose the appropriate treatment.