Redness and congestion in the corners of the eyes of patients may be caused by eye trauma, conjunctivitis, dry eye and other reasons. 1. Ocular trauma: If the patient’s eyes are traumatized, the mechanical stimulation may lead to local vasodilatation, resulting in conjunctival congestion, leading to redness and congestion at the corners of the eyes. 2. Conjunctivitis: Conjunctivitis is caused by inflammation of the conjunctival tissue due to viral or bacterial infection, under the stimulation of inflammation, the corners of the eyes of the patients may appear red and congested. 3. Dry eye: dry eye patients because the tear film is not stable, the surface of the eye is dry and appear foreign body sensation, conjunctival congestion and other uncomfortable symptoms. It is recommended that patients with redness and congestion at the corners of the eyes should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.