A experiment was performed to investigate the stigmasterol and campesterol in the Panax ginseng. Crude sterol fraction obtained from the ginseng was analysed by TLC and quantitative determination of ${eta}$-sitosterol was performed with colorimetric method. The results were summarized as follwer, 1. It was observed with ethyl ether-petroleum ether extract of the ginseng that there was no evidence of showing the presence of both free capesterol and stigmasterol but that only ${eta}$-sitosterol was presence in an significant amount. 2. Average amount of the ${eta}$-sitosterol was 0.20-0.35mg per gram of the sample.