Thorn mustard is the above-ground part of the annual herbaceous plant thuja of the family Labiatae, mainly produced in Jiangsu, Zhejiang, and Jiangxi and other places, thuja is generally cultivated, harvested in autumn and winter, dried and cut off, fried yellow or fried charcoal for use in the raw. Thorny mustard flavor pungent, slightly warm, to the lung, liver two meridians. It has the efficacy of publishing and dispersing wind, penetrating rashes and eliminating sores, and stopping bleeding by frying charcoal, which can be used for external symptoms. Jingwu is pungent and fragrant, long for publishing and dispersing wind, and is Jingwu is slightly warm and not strong, and the medicinal properties are gentle, so patients with surface cold and surface heat can be used. In addition, Jingwu can also be used for pediatric measles impermeable, rubella itching, sores and ulcers at the beginning of the patient, and both superficial evidence, Jingwu fried charcoal is long in the blood to stop bleeding can be used for a variety of hemorrhagic disease, including blood heat caused by the blood, epistaxis, blood in the stool, and women's blood leakage and bleeding, and so on. In the clinical use of Jingwu decoction, the general dosage of 3-10g, should not be decocted for a long time. If we are in the clinical treatment of published rash elimination of sores should be used in the raw, when the bleeding should be fried, the specific dosage according to the different evidence of disease as prescribed by the doctor.