A cold chest pain is mainly considered to have two cases: 1, coronary heart disease, common in hypertensive patients, when cold coronary artery spasm contraction, causing myocardial ischemia, the clinical manifestations of pain in the anterior thoracic area, can be accompanied by back pain, sublingual nitroglycerin, or isosorbide nitrate can be relieved; 2, cystic hyperplasia of the mammary glands, most common in 30-50 years old women of childbearing age, and the onset of its hormone disorders related to the endocrine. When the cold weather due to sympathetic nerve excitation, can cause estrogen secretion increase, which leads to breast cystic hyperplasia clinical symptoms aggravated, manifested as breast swelling and pain discomfort, and accompanied by breast hyperplasia nodular changes. There are many kinds of diseases that cause chest pain when it is cold, you should go to the regular medical institutions for breast ultrasound, or electrocardiogram, to make a clear diagnosis and active treatment, don’t believe in folk remedies, so as not to delay the condition.