Percent of getting well in 'Ceftrimaz' group is 86.67% while this is about 80% in' Rocephin' group. The mean of MIC of 'Ceftrimaz' group and' Rocephin' group is 12.348 ± 13.455µg / ml and 12.277 ± 13.514 µg / ml; The mean of MBC of 'Ceftrimaz' group and' Rocephin' group is 24.696 ± 26.909 µg / ml và 24.554 ± 27.028 µg/ml.