A 65-year-old male had urinary frequency, incomplete emptying, straining and nocturia in recent three months due to benign prostatic hyperplasia. He took western medicine but the symptoms still persisted, so he went to our Chinese Medicine OPD for help. Identifying the disease pattern was kidney qi and yang vacuity induced in dysfunction of bladder, we used Ji Sheng Shen Qi Wan and Sang Piao Xiao San as the main prescriptions to supple kidney qi and yang for promoting urination. After two months treatment, the symptoms got great improvement. We demonstrated the experience in this case report for clinical reference and application.