Efficacy of Ligustrum lucidum: It can be used for blurred vision, decreased vision, premature whitening, backache, tinnitus and fever caused by yin deficiency of liver and kidney. This product can tonify liver and kidney yin, but it is mild in nature and needs to take effect slowly. It is often used with Radix Rehmanniae Preparata, Semen Cuscutae and Fructus Lycii to treat premature gray hair. It is used with Eclipta prostrata and Mulberry to treat fever due to yin deficiency. It is used together with Cortex Lycii and Radix Rehmanniae. 1. Yin deficiency of liver and kidney, dizziness, nocturnal emission, tinnitus, soreness of waist and knees, premature gray hair. 2. The stool of the elderly is empty and secret. 3. Coronary heart disease, hyperlipidemia, hypertension and chronic hepatitis. Lotus leaf: Chinese medicine believes that lotus leaf tastes bitter and flat, and belongs to liver, spleen, stomach and heart meridian. Has the effects of clearing away summer heat, promoting diuresis, promoting hair growth, clearing yang, cooling blood and stopping bleeding.