OBJECTIVE: To establish the method for simultaneous determination of epiberberine, jateorhizine hydrochloride, coptisine, palmatine hydrochloride and berberine hydrochloride in Lianshen tonglin tablets. METHODS: HPLC method was adopted. The determination was performed on Thermo Scientific Syncronis C18 column with mobile phase consisted of acetonitrile-0.1% phosphoric acid solution(pH adjusted to 3.0 with triethylamine)(30 ∶ 70,V/V) at the flow rate of 0.3 mL/min. The detection wavelength was set at 345 nm, and column temperature was 25 ℃. The sample size was 2 μL. RESULTS: The linear ranges were 4.08-163 ng for epiberberine(r=0.999 9), 5.72-229 ng for jateorhizine hydrochloride (r=0.999 8), 5.67-227 ng for coptisine(r=0.999 9), 6.78-271 ng for palmatine hydrochloride(r=0.999 6),13.2-526 ng for berberine hydrochloride(r=0.999 9). RSDs of precision, stability and reproducibility tests were lower than 2.0%. The recoveries were 96.83%-103.92%(RSD=2.2%,n=9), 97.62%-104.85%(RSD=2.9%,n=9),99.44%-104.18%(RSD=1.8%,n=9), 98.64%-104.42%(RSD=1.8%,n=9),98.24%-102.40%(RSD=1.5%,n=9),respectively. CONCLUSIONS: The developed method is simple, sensitive, rapid and accurate. It is suitable for simultaneous determination of 5 coptis alkaloids in Lianshen tonglin tablets.