Objective To study the molding of compound dragon′s blood gel matrix,and to determine the appropriate substrate and the ratio.Methods In the literature review and pre-test based on the type and amount of matrix to determine the scope of the uniformity of the preparation,freezing,feel,color,heat,cold conditions as the marker scores,used of L9(34) was experiment for optimization of the ratio of compound dragon′s blood gel matrix.Results The best proportion of drug and matrix were Carbomer 940 1%,glycerol 30%,...