What causes long-term heartburn?

In traditional Chinese medicine, this symptom is divided into stomach heat and stomach deficiency. Stomach heat is mostly caused by partial food, spicy, alcoholism, heat injury yin, damage stomach body; or overeating fat, stagnation difficult to eliminate, brewing damp heat. Or feel hot evil, burn stomach yin. Stomach deficiency is caused by excessive use of bitter and cold drugs, or overeating cold, consuming yang qi. In western medicine, it is caused by excessive secretion of gastric acid. It is recommended to go to a regular hospital to find out the cause and then treat it.