The invention relates to a Chinese medicine preparation, in particular to a heat-clearing stranguria-treating drug used to cure heat stranguria caused by downward flow of damp and heat. The heat-clearing stranguria-treating drug is prepared by active ingredients and pharmaceutically commonly used excipient or auxiliary materials. The active ingredients are prepared by the following raw material medicines in parts by weight: 24-36 parts of creeping rostellularia herb, 2-4 parts of lightyellow sophora root, 7-11 parts of cogongrass rhizome and 0.5-1.5 parts of borax. The heat-clearing stranguria-treating drug has the functions of heat clearing, dampness removing and stranguria treating and can be used to cure heat stranguria caused by downward flow of damp and heat reflected by symptoms such as frequent urination, urethra pricking, nebular urine, dry throat with bitter taste and the like, and acute lower urinary tract infections with the symptoms. According to 60 clinical observation cases and 30 urine retention clearing tablet control groups, the curative rate of a treatment group is 31.7 percent and the total effectiveness is 88.3 percent; and the curative rate of the urine retention clearing tablet control groups is 16.7 percent and the total effectiveness is 66.67 percent. The heat-clearing stranguria-treating drug has the advantages that the curative effect is good, the safety and the reliability are high, no obvious toxic side effect is caused, the curative effect is superior to the curative effect of the similar control products and certain popularization and application value exists.