A report about Chinese medicine to treat a case with the symptoms of bad mood and easily getting angry. Abstract: The function of the five organ systems in the body is closely related with the mental conditions. If the five organ systems work well, the mental system runs well. If the former is abnormal, the latter is abnormal. The hepatic system dominates the function of energy metabolism so it leads to the abnormal result for many other systems if it functions not well. The phenomenon belongs to the psychoneurosis of the western medicine. A case about a Chinese house wife of the age of thirty seven years who had bad relationship with her husband because of the family reasons has the symptoms of easily getting angry with depression, bad mood and then left chest pain, tenderness of the right ribs, unstable breathing, sighing, easily getting awaken, dry mouth, bitter mouth in the morning, headache, and irregular MC, etc.. Under the analysis of Chinese medicine, the symptoms of easily getting angry should be caused by hepatic energy malfunction and its inflammation. After the prescription of the medicine to regulate the hepatic system energy and to make it calm down from the inflammation, the patient's symptoms of angriness and ribs pain have been improved obviously.