The invention relates to the technical field of Chinese herbal medicine, in particular to a Chinese herbal medicine preparation for treating uroclepsia and a preparation method thereof. The Chinese herbal medicine is characterized in that the Chinese herbal medicine consists of morinda officinalis, pumpkin seeds, sharpleaf galangal fruit, semen allii tuberose, herba epimedii, schisandra chinensis, semen cuscutae, wolfberry fruit, ginseng, pseudo-ginseng and Chinese yam. The preparation method comprises the following steps: taking and stir-frying pumpkin seeds, sharpleaf galangal fruit, semen allii tuberose, schisandra chinensis, semen cuscutae and wolfberry fruit in the components of the Chinese herbal medicine respectively with medium heat, taking herba epimedii for processing with wine, taking herba epimedii in wine steam, stir-drying after fumigating, taking morinda officinalis, ginseng, pseudo-ginseng and Chinese yam in a traditional Chinese medicine drying machine for drying, then putting all the medicine in a traditional Chinese medicine pulverizer for pulverizing, sieving through a piece of screen cloth, taking matters under the screen cloth, taking the pulverized traditional Chinese medicine in weight ratio, uniformly mixing, filling in a capsule every 3g. The capsule has the advantages of reasonable compatibility, moderate dose, obvious pesticide effect and simple preparation technology, can improve the impurity, and has an obvious curative effect of uroclepsia and male prostatitis.