According to the theory of traditional Chinese medicine, there are some patterns of syndrome that lead to duodenitis.1. Pattern of improper diet2. Pattern of Stagnation of Liver Qi3. Pattern of Hyperactivity of Liver4. Pattern of Blood Stasis5. Pattern of Stomach Cold and DampOur TCM clinical practice has showed that integration of Chinese medicine and western medicine is a very good choice for this disease. When treating duodenitis, Chinese doctors will take everything into consideration, including the following conditons.1. In the duodenum, the protective mechanisms have been compromised 2. Infiltrates and/or irritates the duodenal wall lining 3. Increases the secretion of gastric acid, including the acidity or the quantity. 4. Due to the excess use of non-steroidal anti-inflammatory drugs. 5. Infection caused by Helicobacter pylon. 6. Substance abuse like cocaine or alcohol 7. Using tobacco for a long period of time 8. Any major illness that is debilitating 9. Stress 10. Medications such as corticosteroids 11. Crohn’s disease also known as inflammatory bowel disease 12. Autoimmune disorders 13. Pernicious anemia