Abstract: Barley leaf powder is a kind of alkaline food with multiple health care functions.Barley leaf powder has been selling well in Japan,South Korea,North America,Australia,and other countries and regions for a long time. China is rich in barley resource,hence it is suitable for large- scale production and processing of barley leaf powder.The medicinal history,nutritional quality,health care functions,mainstream production technology,and product development of barley leaf powder were investigated in this article,as well as the main problems of the industry.Nowadays,consumers pay more and more attentions to a healthy diet.As a kind of high- end processing product,prospects for barley leaf powder market is bright in our country.Barley industry should be guided in a scientific and reasonable way to promote the diversified and sustainable development of barley production.