OBJECTIVE To prepare traditional Chinese pharmaceutical film which can be absorbed through derma and have an effect of topical antibacterial , and take examinations of its film performance. METHODS The active ingredients extracted from the traditional Chinese medicine such as Aloe are blended in a certain proportion as the dressing of chitosan and casted into films. The thickness of the films were measured by the thickness measurement instrument, and the performance of the films was tested and compared such as film forming, swelling and solubility, water holding capacity and permeability. RESULTS Aloe compound film as external applied agent has a desired film performance. CONCLUSION Aloe compound film which could be transdermally absorbed presents a promising potential in adjuvant therapy of ulcers, bedsores and other skin of mucous membrane infections.