Sample size: 312
Objective: To evaluate the efficacy and safety of Ningmitai Capsules and Silodosin Capsules in the treatment of Benign Prostatic Hyperplasia (BPH) with Lower Urinary Tract Symptoms (LUTS) compared with Tamsulosin Hydrochloride Sustained Release Capsules.~Study design: A multicenter, prospective, randomized, double-blind, positive controlled clinical study.~Interventions:~Group A: Oral Tamsulosin Hydrochloride Capsules and Ningmitai Capsules placebo for 12 weeks.~Group B: Oral l Silodosin Capsules and Ningmitai Capsules placebo for 12 weeks. Group C: Oral l Silodosin Capsules and Ningmitai Capsules for 12 weeks.