Shoulder rest: the name of the evidence. Shoulder rest is a condition that helps breathing. Most often seen in people with severe respiratory distress. Su Wen? General Commentary on Void and Realities: “A person with wheezing and shoulder rest has a large real pulse; if it is slow, he will live; if it is urgent, he will die.” It can also be seen during an asthma attack. It refers to dyspnea that can occur in asthmatic patients or when oxygen deprivation is caused by other reasons. It is caused by respiratory system diseases, including: 1. upper respiratory tract diseases abscess of the posterior pharyngeal wall, enlarged tonsils, foreign body in the larynx, laryngeal edema, laryngeal cancer, etc. 2.Bronchial diseases Stenosis and obstruction due to bronchitis, bronchial asthma, bronchial dilatation, bronchial foreign bodies and tumors, etc. 3.Pulmonary diseases chronic obstructive pulmonary disease (COPD) pneumonia, tuberculosis, pulmonary stasis, pulmonary edema, pulmonary cysts, pulmonary infarction, lung cancer, nodular disease, pulmonary fibrosis, acute respiratory distress syndrome (ARDS), etc. 4.Pleural disease Spontaneous pneumothorax, massive pleural effusion, severe pleural adhesion thickening, pleural mesenchymal tumor, etc. 5, chest wall diseases thoracic deformity, chest wall inflammation, tuberculosis, trauma, rib fracture, rheumatoid spondylitis, chest wall respiratory muscle paralysis, scleroderma, myasthenia gravis, excessive obesity, etc. 6, mediastinal diseases mediastinal inflammation, emphysema, hernia, aortic aneurysm, lymphoma, teratoma, intrathoracic thyroid adenoma, thymoma, etc.