Patients with symptoms of chest pain when speaking loudly, the specific reasons are as follows: 1, first of all, there may be suffering from pleurisy, such as suffering from bacterial pleurisy due to the presence of pleural inflammation when speaking loudly, coughing violently or breathing deeply, due to friction between the wall layer pleura and the dirty layer pleura, there may be increased chest pain, and there may be coughing, coughing, fever and other symptoms. 2, there may also be Patients suffering from viral myocarditis, such as patients with low resistance and viral infection leading to viral myocarditis, may experience chest pain accompanied by chest tightness, panic and weakness. 3. Patients suffering from non-specific costochondritis may also experience chest pain in the region of the costochondral bone next to the sternum during strenuous activity or when talking loudly. If the symptoms do not improve or are accompanied by other symptoms, further examination is needed to clarify the diagnosis.