Aim To develop the gel of ketoconazole for external application.and control the Quantitantive of ketoconazole gel in the gel.Methods Using Carbopol-940 as the gelstroma, the gel of ketoconazole was prepared.The content of ketoconazole was measured with UV spectrophotometry.Results No irritability about the gel was found and the gel was stable.The good linear range for determinig ketoconazole was 4~12μg(r=0.999 9,n=5).The average rate of recovery was 99.65% and RSD was 0.53% (n=6).Conclusion The desi...