Supplement: Lotus leaf health tea originated from the famous patriotic poet Wen Yiduo, the champion of the Qing Dynasty, Chen Ling, and the hometown of Yao Gelao, the prime minister of the Ming Dynasty. According to legend, during the Jiaqing period, Chen Ling went to Beijing to take office and brought a little hometown specialty lotus leaf tea. Lotus leaf tea is mainly lotus leaf. According to ancient and modern medical (food) theories such as Compendium of Materia Medica, Diet Spectrum of Fun Life and China Herbal Tea Formula, lotus plumule and lotus leaf have the functions of clearing away heart-fire, calming liver, purging spleen, lowering lung, clearing away heat, nourishing heart, lowering blood pressure, inducing diuresis, astringing fluid, stopping sweating, stopping bleeding and fixing essence. "Lotus leaf slimming makes people thin and feel inferior." China has regarded lotus leaf as a slimming medicine since ancient times. In hospitals, obese patients are still allowed to drink lotus leaf tea.