Summary of case history ,The patient Jiang, male, 49 years old, went to see a doctor on November 2, 2021 due to "repeated dry mouth for more than 10 years, aggravated for more than one month". The history of type 2 diabetes mellitus is 10 years. The number of hypoglycemic drugs has gradually increased from the initial oral hypoglycemic drugs to four injections of insulin with multiple oral drugs. The blood sugar control is poor, and the tedious hypoglycemic program has seriously affected life and work, so we seek TCM treatment. Symptoms and signs: The patient is nervous, tired, dry mouth, drink more, and bitter. He complains that he is usually worried, nervous, irritable, can't sleep well, urinates yellow, and has a bad bowel movement. The tongue is red, the fur is thin and white, and the pulse is string.,TCM diagnosis, Diabetes (Pattern of depressed Liver Qi transforming into fire, Interal Blood Stasis).,Western medicine diagnosis, Type 2 Diabetes.,Therapeutic methods, Use the " dynamic or fixed sequential eight methods " to grasp the core pathogenesis, treat according to the syndrome differentiation, and give the self-prepared traditional Chinese medicine.,Clinical outcomes , The patient's blood sugar was controlled stably, dry mouth was improved by drinking more, and the rest did not complain of discomfort.