Abstract: The individual ecologic characters of Knoxia valerianoides in Guangdong were studied.The result showed that it dispersed primarily in a certain area of the tropics and subtropics in China.Red soil and lateritic soil were principal soils in the distributive area.The growing trend of stem and leaf showed two peak pattern in a year.Its overwintering and reproducing as well as the vegetation in distributive area were also studied.According to the individual ecologic characters of knoxia valerianoides,some suggestions for developing its production were put forward finally.