Patients lying down with chest pain, the common clinical causes are mainly the following: First, with costochondritis or intercostal neuritis patients, can be lying down when the local muscles, nerves are pulled and caused by chest pain, the patient can improve the chest CT, or X-ray examination to rule out neoplastic lesions. Patients with chest pain can rub Fitalin ointment externally and take drugs such as Swollen Pain An orally, which can relieve the symptoms of chest pain caused by costochondritis or intercostal neuritis more quickly. Second, with myocardial ischemia or unstable angina patients, lying down can also appear chest pain, it is recommended that the patient as soon as possible to the cardiology department, can be improved through the cardiac ultrasound, electrocardiography, cardiography and other tests, to clarify the specifics of cardiac lesions, if necessary, given to dilate the tube, improve the circulation can alleviate the symptoms of chest pain.