When the eyes encounter cold air with the symptom of tearing, the patient can carry out physical protection to relieve eye discomfort, if there is a narrowing of the tear duct, etc., the patient can carry out lacrimal irrigation and other ways of treatment. If the patient’s eyes tear after encountering cold air, first of all need to timely physical protection, such as try to avoid going out in windy environments, wear glasses when going out, so as to alleviate the patient’s discomfort symptoms. In addition, if the patient has factors such as narrowing of the tear duct, because of the poor drainage of tears, the patient may appear in the wind with the performance of tears. If the stenosis is mild, the symptoms can be relieved through tear duct irrigation or tear duct placement, etc., while severe stenosis requires surgical treatment such as percutaneous lacrimal sac nasolacrimal anastomosis. Patients with frequent tearing are advised to seek prompt medical attention to evaluate their condition and follow the doctor’s instructions.