With the pursuit of a healthy lifestyle by consumers, medicinal and edible products such as mulberry leaf tea have received widespread attention. The mulberry leaf tea not only carries profound cultural and historical connotations, but also becomes a hot research topic due to its health benefits. This article explored the research status, processing technology, and development trend of mulberry leaf tea, analyzed the main nutritional components, pharmacological effects, and key technical links in the processing process of mulberry leaf tea, and explored the industry status and future development trends. The results indicated that the main nutritional components of mulberry leaf tea included polysaccharides, proteins, amino acids, flavonoids, polyphenols, vitamins, and minerals, with high nutritional value. Mulberry leaf tea also had various pharmacological effects, which had positive health benefits for maintaining human health, such as lowering blood sugar, lowering blood lipids, antioxidation, and antibacterial effects. It was recommended to improve the processing technology of mulberry leaf tea from the aspects of picking and pretreatment, greening, rolling, and drying techniques. Research could provide a reference for the sustainable development of the mulberry leaf tea industry, in order to promote the further development of mulberry leaf tea and its processing technology.