Camellia changii Ye is a rare and endangered plant which was discovered in E'huangzhang nature reserve,located at Yangchun City,Guangdong Province.It is a very good germplasm resource for breeding new varieties because of the strong stress resistance,perpetual bloom,bigger and colorful flower and so on.Since there exists rarely wild stock seed which is almost endangered,the further study for Camellia changii Ye is very important to rescue endangered plants and preserve precious germplasm resources.The research progress on biological characteristics,genetic and breeding,endangered mechanism of Camellia changii Ye in the past 20 years is systematically reviewed in this paper.Moreover,corresponding supplement to the former research achievements is given,and some opinions and speculations are also proposed,which is referenced to the further research on Camellia changii Ye.