The patient’s eyes are swollen after strenuous exercise, which may be caused by exertional edema, and may also be caused by inflammatory stimulation and allergic reaction. 1. Exertional edema: If the patient only has swollen eyes after exercise, and there are no other uncomfortable symptoms, it may belong to exertional edema, such as drinking more water before exercise, and not discharging the body water in a timely manner after exercise, there may be a swollen eye performance. 2. Inflammatory stimulation: If the amount of sweat during running is relatively large, the sweat is not dried in time, and the flow into the eyes will repeatedly stimulate the conjunctiva, cornea, etc., which is easy to cause inflammatory reactions, resulting in redness, edema and congestion of the patient’s eyes. 3. Allergic reaction: If the patient is allergic to pollen, mites, dust or cold air and hot air, and accidentally come into contact with it during the running process, an allergic reaction may occur, resulting in redness and edema of the eyes. It is recommended that patients with significant eye swelling after strenuous exercise seek prompt medical attention to assess their condition and follow the doctor’s instructions for treatment.