Considering the fact that modern urology has in general made great strides forward during the past two decades, there is still a wide discrepancy within the profession regarding the management of urinary infections, particularly those infections which are due to the colon bacillus group. This discrepancy should actually not exist. Its remedy is obtainable only by effecting some definite standardization in the management of bacilluria in general. My purpose in this paper, therefore, is to summarize briefly the reasons why such a therapeutic standardization is possible as well as advisable. Needless to say, it has apparently not yet been learned that there is no urinary antiseptic which eliminates the colon bacillus from the urinary tract. Drugs, therefore, are of little value in treating this infection. It must furthermore be borne in mind that urinary infections due to B. coli rarely ever disappear spontaneously. It was only a few years ago