Abstract:Mulberry leaves are rich in resources in China.In the food field，it is usually used to process mulberry leaf into mulberry leaf tea.Mulberry leaf tea is rich in active components and has efficacy such as blood sugar and blood pressure lowering，anti-virus，and anti-oxidation.Some active components including flavonoids，alkaloids，polysaccharides，and gamma-aminobutyric acid have become research hotspots in the fields of functional food，clinical medicine，and other industries.However，the processing of mulberry leaf tea is still in the research stage，and its active component content and efficacy are closely related to mulberry varieties and processing technology.In this paper，the latest research results on the active components，efficacy，and influencing factors of mulberry leaf tea were systematically summarized，so as to provide references for the high-value development and utilization of mulberry leaf tea and the production of mulberry leaf health tea.