Wild soybean（Glycine soya）,the wild relatives of cultivated soybean species with a strong resistance and adaptability,can be used to broaden the soybean genetic basis and improved cultivated soybean.After development for many years,researches on wild soybean have made some progress at home and abroad.The recent progress on the studies of wild soybean were reviewed from the perspective of photosynthetic physiology,which aims to provide a reference to research and production of wild soybean in China.