1, Ligustrum lucidum belongs to tonic, sweet, bitter and cold, and enters liver meridian and kidney meridian. It has the effect of nourishing liver and kidney yin and improving eyesight with black beard, and the general dosage is 10~ 17g. It is mainly used for blurred vision, decreased vision, premature whitening, soreness of waist and knees, tinnitus and fever caused by yin deficiency of liver and kidney.

2, can nourish the yin of liver and kidney. It is often used with herbs such as Radix Rehmanniae Preparata, Semen Cuscutae and Fructus Lycii. For premature graying of beard and hair, it is often used with Eclipta prostrata and Mulberry.