There are many reasons that can lead to hidden pain on both sides of the chest, such as heart disease, chest wall lesions, digestive tract diseases, mediastinal diseases and so on. 1. Heart disease: such as cardiac neurosis, coronary heart disease, heart attack and other diseases, can cause the phenomenon of hidden pain on both sides of the chest, and may also be accompanied by dyspnea, chest tightness and other phenomena. 2. Chest wall lesions: such as pleurisy, costochondritis, breast hyperplasia, sternal fracture and many other diseases, can also cause hidden pain on both sides of the chest. 3. Digestive diseases: such as reflux gastritis, chronic gastritis, reflux esophagitis, gastric ulcer and other digestive diseases, due to the reflux of gastric acid to stimulate the esophageal mucosa, which can cause hidden pain on both sides of the chest. 4. Mediastinal diseases: such as chronic mediastinitis, thymoma and other mediastinal lesions, can also cause the phenomenon of hidden pain on both sides of the chest, mainly due to the lesions invade the sternum. There are many reasons that cause hidden pain on both sides of the chest, go to the hospital in time to improve the examination after the symptoms, follow the doctor’s instructions to take standardized treatment, do not ignore the symptoms, so as not to delay the condition.