Lung meridian blockage will usually lead to lesions of the lung system itself, abnormal circulation, skin lesions and constipation. 1. Lung system itself: patients with lung meridian obstruction will lead to lung system itself lesions, appearing in the performance of the lung loss of declaring and descending, lung and Wei disharmony, such as coughing and coughing phlegm, nasal congestion and runny nose, shortness of breath, chest tightness and shortness of breath, hemoptysis, and so on. 2. Abnormal circulation: the patient’s lung meridian circulation is abnormal, such as numbness and pain in both upper limbs, elbow and arm contracture pain, soreness or coldness, joint extension and bending and other functional abnormalities, there will be sore throat, shoulder and neck pain, headache and toothache and other symptoms. 3. Skin lesions: Lung qi insufficiency due to lung meridian blockage cannot be glorified externally in the skin, which can trigger rubella, allergic dermatitis, skin pore enlargement, thickening and lengthening of sweat hair, and the skin will also become rough. 4. Constipation: the lungs and the large intestine are in contact with each other, the lung fire can not be purged, it is difficult to conduct the water-dampness of the large intestine, and the intestinal peristalsis slows down, leading to defecation difficulties, constipation and other symptoms. It is recommended that when the above symptoms occur, patients should consult a doctor in time to clarify the cause and follow the doctor’s instructions for treatment.