Abstract: OBJECTIVE To analyze the prescription characteristics of Chinese patent medicine for treating ulcerative colitis recorded in Chinese Pharmacopeia and its Clinical Guide(2015 Edition), and provide references for rational medication for clinical treatment of ulcerative colitis. METHODS Gathering Chinese patent medicine for treating ulcerative colitis recorded in Chinese Pharmacopeia and its Clinical Guide (2015 Edition), then made classification and frequency statistics. RESULTS There were 9 kinds of Chinese patent medicine which including 38 herbs in total. The most common used formulas of these Chinese patent medicine were tonic prescriptions, desiccating formula and formula that release evils from both the exterior and interior. CONCLUSION Tonifying Qi and blood, eliminating dampness to stop diarrhea and relieving superficies and clearing interior are the main treatment principle of Chinese patent medicine for treating ulcerative colitis recorded in Chinese pharmacopeia and its Clinical Guide. At the same time, tonifying medicine, heat-clearing medicine, drugs for regulating Qi flow, hemostatics, astringent medicine, drugs for relieving exterior syndrome and drug for invigorating blood circulation and eliminating stasis were used the most.