Burning sensation is a specific sensation as if the body is on fire. It can be seen in both physiological and pathological conditions. 1. Physiological: the human body in a more embarrassing environment, after strenuous exercise or emotional fluctuations, can be through the human cerebral cortex, and then stimulate adrenaline caused by adrenaline hormone secretion increases, dilation of blood vessels, resulting in congestion of the face, self-conscious burning sensation in the face. 2. Pathological: burning sensation can also occur in some pathological conditions. (1) digestive system diseases such as gastric ulcer, gastroesophageal reflux disease, etc., can be due to increased secretion of gastric acid, stimulation of the stomach, esophagus, esophagus, esophagus, abdominal burning sensation. (2) Cardiovascular system diseases such as angina pectoris, myocardial infarction, can be due to coronary artery abnormalities, causing myocardial ischemia, and the burning sensation behind the sternum. (3) Urinary system diseases such as urethritis, due to pathogenic bacterial infection caused by urethral inflammation, the production of inflammatory factors, and henceforth stimulate the mucosa of the urethra, urethral burning sensation. (4) Skin infections such as carbuncle, caused by Staphylococcus aureus infection, producing inflammatory factors, causing vasodilatation of the skin and mucous membranes, appearing burning sensation of the skin. It is recommended to consult a doctor as soon as possible if there is any discomfort.