Ghost sees sorrow: This medicine is known as Xiancao in Nanzhao's hometown. It grows in cracks in the shady place on the mountainside. It can be used as a folk prescription to treat nephropathy and rheumatism with rapid eradication. There are no records in the drug books and pharmacopoeias of past dynasties, but Funiu Mountain is unique.

Stimulation of Euonymus japonicus on islet cells Japanese scientists have found that purified Euonymus japonicus has the function of lowering blood sugar. The blood sugar level of normal and alloxan-induced diabetic animals can be reduced by applying sodium oxaloacetate, which is the effective component of Buxus macrophylla extract.