The formula dosage of Wu Tou Tang is: the original formula of Ephedra, Paeoniae Alba, Astragalus three taels each, two taels of Roasted Licorice, and five Chuanwu; converted into the modern standard dosage of Ephedra, Paeoniae Alba, Astragalus, and Roasted Licorice, 9 grams each, and Chuanwu 6-9 grams, which is long decocted or added with honey and decocted again, to reduce toxicity and side-effects. Wu Tou Tang is the main formula for treating cold and damp calendar joint disease, which is characterized by severe pain in the joints, pain aggravated by cold, contracture of the limbs, and unfavorable flexion and extension. Aconite soup precautions: Aconite is poisonous, the medicine needs to be concocted, first decocted for an hour, mixed with the right amount of honey and then decocted safer. After taking the medicine, if there is shortness of breath, rapid heartbeat and other adverse reactions, should be treated with first aid. Pregnant women should be cautious, and those with yin and yang deficiency should not use it. Usage of aconite soup, need to be taken under the guidance of a traditional Chinese medicine practitioner, pay attention to the contraindications of the drug, closely observe the reaction after taking the drug, discomfort, timely treatment.