Charcoal Cortex Eucommiae generally refers to Cortex Eucommiae Charcoal, while Cortex Eucommiae generally refers to Raw Cortex Eucommiae. The difference between Cortex Eucommiae Charcoal and Raw Cortex Eucommiae lies in the following aspects: method of concocting, efficacy and treatment. 1. Concocting method: raw Cortex Eucommia Ulmoides is obtained by washing and moistening the collected Cortex Eucommia Ulmoides and then drying it in the sun. Cortex Eucommiae Charcoal is obtained by spraying raw Cortex Eucommiae with salt water after frying and drying. 2. Efficacy and Indications: Raw Cortex Eucommia Ulmoides has the efficacy of tonifying the liver and kidney, strengthening the tendons and bones, and tranquilizing the fetus. It is used for the deficiency of the liver and kidney, which leads to lumbar and knee pain, weakness of the tendons and bones, dizziness and dizziness, leakage of blood in pregnancy, and restlessness of the fetus. In addition to the above mentioned effects, the charcoal of Cortex Eucommiae also has the effect of stopping bleeding, so it is good for the deficiency of the liver and kidney, resulting in blood leakage in pregnancy and disintegration (excessive menstrual flow or dripping) and other diseases. In addition, there is also Salt Water Fried Cortex Eucommia, which is fully soaked in salt water and then fried with burnt spots, and is good at tonifying the liver and kidneys, and strengthening the muscles and bones. If there is any discomfort, please seek medical advice and use the medicine under the guidance of a professional Chinese medicine practitioner.