Source: Di Gu Pi – the root cortex of Lycium chinensis Mill, and L. barbarum L., family Solanaceae.
Function: Di Gu Pi – cools the blood and reduces deficient fire, clears the lung to lower lung fire.
Application: Di Gu Pi is used for fever due to the yin deficiency with night sweating. It is used for cough and difficulty breathing due to lung heat. Di Gu Pi is used for bleeding due to blood-heat manifesting as coughing of blood, nose bleeds and blood in the urine. It can also be used for the treatment of diabetes.