“Which four kinds of people should not drink mulberry leaf tea” is not appropriate. The main ingredient of mulberry leaf tea is mulberry leaf, which is bitter and cold, and should not be consumed by people with cold spleen and stomach (spleen and stomach weakness and cold). Mulberry leaves are the leaves of the mulberry plant of the Morusaceae family, with the effect of dispersing wind-heat, clearing the liver and improving eyesight (clearing the liver fire to promote the recovery of vision), clearing the lungs and moistening the dryness. The main treatment for wind-heat colds, eye redness and swelling, eye blurred, dizziness and headache, lung heat and dry cough and other diseases. The efficacy of the drug as a tea is not as good as the decoction, and the medication should be used in accordance with the doctor’s instructions for the treatment of the disease. Mulberry leaf is bitter and cold, easy to hurt the spleen and stomach yang qi, overdose may lead to abdominal pain, diarrhea and other adverse reactions, so the spleen and stomach cold people should not drink. Mulberry leaf tea is recommended to be used under the guidance of a physician, not blindly taken on their own.