The causes of liver fire are multi-causes such as emotional factors, dietary factors and external evil attack. 1. Emotional factors. Prolonged emotional upset (emotional upset), such as emotional depression or long-term anxiety and depression, extreme irritation, etc. may lead to liver qi stagnation, long-term depression and fire, internal fire evil, resulting in the liver meridian fire, resulting in the occurrence of liver fire. 2. Dietary factors. Long-term consumption of alcohol, or over-eating spicy, oily and greasy things, resulting in the body of dampness and heat, dampness and heat in the liver and gallbladder (dampness and heat in the body of each other to accumulate), can also lead to the occurrence of the liver fire Wang. 3. Attack by external evils. External heat is more prevalent, or other internal organs are more prevalent, involving the liver, resulting in the liver internal fire, is also one of the important reasons for the onset of liver fire Wang. When the symptoms of liver fire, you need to seek medical treatment in time, so as to avoid the symptoms of liver fire aggravation.