The herbal dosage of Xiao Qing Long Tang is 9g of Ephedra (removed from the joints), 9g of Paeoniae Alba, 6g of Cynanchum, 6g of Dry Ginger, 6g of Glycyrrhiza Glabra (roasted), 9g of Gui Zhi (peeled), 6g of Schisandra, and 9g of Semen Heterophyllum (washed). Xiao Qing Long Tang has the effects of relieving exterior cold and dispersing cold (removing cold from the muscle surface), warming the lungs and resolving drinking (promoting the flow of stagnant fluid by warming the lungs). It is mainly used for treating the symptoms of external cold and internal drinking. Symptoms include malignant cold (fear of cold), fever, head and body pain, no sweating, wheezing, coughing, sputum and saliva, chest congestion, or dry vomiting, or phlegm-drinking (pathological products formed by impaired metabolism of water) wheezing and coughing. Clinically used in the treatment of bronchitis, bronchial asthma, pneumonia, whooping cough, pulmonary heart disease, allergic rhinitis, etc. belonging to the external cold and internal drink evidence. It is not suitable for those with dry cough without phlegm or phlegm-heat syndrome. If medication is needed, it is recommended to use it under the guidance of a Chinese medicine practitioner, unauthorized use of medication may cause adverse consequences.