Cortex Phellodendri tastes bitter and cold; Meridian of kidney and bladder. Cortex Phellodendri has the efficacy of clearing heat and eliminating dampness, and can be used for damp-heat leukorrhagia, stranguria, damp-heat dysentery, jaundice hematuria, damp-heat beriberi, flaccidity syndrome, etc. Cortex Phellodendri can also purge fire and detoxify, and can be used to treat sores, sores, swelling, eczema and itching. Phellodendron amurense is also good at purging kidney meridian fire and removing bone steaming, which can be used to treat yin deficiency and excessive fire, bone steaming hot flashes, night sweats and nocturnal emission. Cortex Phellodendri mainly contains berberine, magnolin, phellodendrine and other alkaloids. , as well as cork lactone, cork ketone and many steroid components. Alkaloids contained in cypress have certain inhibitory effects on Staphylococcus aureus, Escherichia coli and Shigella dysenteriae. It has a strong inhibitory effect on dermatophytes such as Candida albicans. It also has inhibitory effect on influenza virus and hepatitis B surface antigen. Cortex Phellodendri also has obvious anti-inflammatory proliferation, anti-ulcer, cholagogic, antiarrhythmic, antihypertensive, sedative and hypoglycemic effects.

Phellodendron amurense is not only used, but also suitable for patients with cold, diarrhea due to spleen deficiency and weak stomach.