Chest pain after exposure to cold may be associated with cardiac vasospasm, pulmonary disease, intercostal neuralgia, etc. 1. Cardiac vasospasm: patients with coronary heart disease may experience radiating chest pain due to spasmodic contraction of blood vessels in the heart when stimulated by cold and other factors. The symptoms can be relieved to a certain extent by applying local external compresses with hot towels or hot water bags; or the symptoms can be relieved by taking medicines to expand the blood vessels of the heart, such as quick-acting heart pills, etc., under the guidance of the doctor. 2. Lung diseases: such as chronic obstructive pulmonary disease (COPD), cold can cause lung infections, severe coughing, coughing up phlegm symptoms, thus causing chest pain and discomfort. At this time, it is recommended to go to the hospital as soon as possible to strengthen the anti-infection treatment of the lungs, and after the lung infection is controlled, the chest pain symptoms can be relieved. 3. Intercostal neuralgia: local inflammation or viral infection can cause intercostal neuralgia, which is manifested as pain along the intercostal region in the form of a band, and cold, flu, and overwork are common triggering factors of intercostal neuralgia. It is recommended to pay attention to keep warm and rest. If the symptoms of chest pain occur frequently after catching a cold, it is recommended to go to the hospital for chest CT and other aspects of the examination to identify the cause, so as to facilitate symptomatic treatment.