The direction of clinical treatment of XuanLung, RunLung and QingLung is different, and is manifested as follows: 1. QingLung, is for the treatment of heat evil in the lung, which can clear heat and nourish Yin, and is used for symptoms related to sore throat, cough, dry cough, less phlegm, and low fever caused by Yin deficiency. 2. RunLung, is mostly seen in the treatment of lung Yin depletion, Yin loss, and dryness symptoms of patients, which can be treated by the method of RunLung, like Application of saxifrage and maitake. 3. Xuan lung refers to the patient’s unclear lung qi and loss of catharsis, mostly seen in patients with external wind-cold and wind-heat, resulting in suppression of lung qi, which can be treated by catharsis, applied to the Chinese herbs Ephedra and Radix et al.