Mulberry leaves can be dried directly to make tea. Mulberry leaf tea contains a lot of nutrients beneficial to human body and rich functional health-care ingredients, especially potassium, calcium and magnesium, and the contents of total sugar, amino acids and phenolic compounds are higher, especially calcium is 6 times higher than tea.

Mulberry leaves are thinner and have more water extracts, which are easier to dissolve effective components than tea leaves and are beneficial to human absorption. The Japanese call mulberry leaf tea longevity tea, and there is a saying that "ginseng is a hot tonic and mulberry leaves are a clear tonic". Mulberry leaves contain 17 kinds of amino acids needed by human body. Usually people can take mulberry leaves in water, which is a very good daily drink for people with three highs.

Mulberry leaf tea is suitable for people with impaired glucose tolerance, mild diabetes, type 2 diabetes and high-risk diabetes, and can be used as an adjuvant treatment for 1 diabetes, diabetes complicated with hyperlipidemia, diabetic neuropathy and complications, cardiovascular and cerebrovascular diseases, and has the health care function of normal people.