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Bletilla(Bietillinae,Orchidaceae),total 6 species is distributed in East Asia,with 4 species in China.Some species(Bletilla striata)of the genus has high medical value,and it is a traditional Chinese medicine used against bleeding as well as a popular ornamental plant in some parts of China.In nature,the germination of Bletilla is hard due to the lack of endosperum.Since its high medical value and rising price in the market,over collection leading to a sharp decline of the population of wild resources.The protection and reproduction becomes more and more important.Shanghai Chenshan Botanical Garden started its collection of Bletilla from 2011,and now we have collected 3 species from all over the world.Now in China,a lot of people grow Bletilla tor medical use.As we all known that Shanghai is a place which is enough hardy of growing orchids.However,we want to find a way which suits for the Bletilla in cultivation at Shanghai.Taking the function of Botanical Garden into consideration,we are making our efforts in cultivating some breeding species which can be used as excellent plant in gardening in the future.