Abstract: Objective To observe the clinical effect and the safety of the Bing Shi Yu Shang ointment on the patients with partial thickness burn and residual wounds. Methods Two hundred patients were enrolled in the study and randomly divided into C ( 100 cases) and T groups( 100 cases) by the paralleled and single placebo methods. The patients in group C were treated with Jing Wan Hong ointment, while those in T group were treated with Bing Shi Yu Shang ointment and the indices reflecting the effect and safety of the latter were observed. Results (1) The healing rate and times of healing : the healing rate and time of healing of the partial thickness burn in group T were 67.35% on the 7 PBD and 10.08 PBD respectively, while those in group C were 45.01% and 12.66 PBD respectively. (2) The healing rate on 15 PBD and time of the patients in group T with the partial thickness burn were 67.35% and 10.08PBD respectively, while those in group C were 70.90% and 18.81 PBD respectively. The average healing time of the patients in group T and C were 12.53 and 15.11 PBD respectively, and no toxic and side effect were found in the group T. Conclusion The application of Bing Shi Yu Shang ointment for the treatment of burn wounds of the patients with partial thickness burn was safe and effective.