Giant Knotweed Rhizome(Hu zhang)

It is the dried rootsralks and roots of Polygonum cuspidatum Sieb.et Zucc.Famliy Polygonum.It is harvested and collected in the spring and autumn.After the fibres are removed,it is cut into short segments or thick pieces.It is then dried in the sunshine and utilized in the raw form.

Medicinal Properties:Slightly bitter and slightly cold.

Meridian Tropism:Lung,liver and gallbladder meridians.

Medicinal Efficacies:Drain the gallbladder to treat jaundice;clear away heat and eliminate toxic materials;active blood and resolve stasis;resolve phlegm to stop cough.

Usage and Dosage: 9~15g.It is taken orally.The appropriate amount is applied externally.