Moxibustion has the function of unblocking the meridians, harmonizing the qi and blood, helping to dispel evil, warming the meridians and dispersing cold, but how long it takes to get rid of the cold in the body depends on the time and severity of the cold invasion and the patient’s physique, generally effective after moxibustion. For rheumatoid and other diseases, once the cold evil invades the body, it is easy to lurk in the patient’s organs, so it is difficult to get rid of it, and according to the different parts of the cold evil, different points can be moxibustion. If the cold evil is deeper, and even have symptoms such as bad cold, joint pain, etc., the course of treatment using moxibustion will be longer, generally need to get rid of the cold evil in the body in 3-6 months time. If the patient’s cold is mild and there is no obvious discomfort, the cold can generally be removed in 1-2 courses of treatment. In addition, moxibustion treatment can have twice the effect with half the effort if it is performed during the three volt days in summer. Since the invasion of cold evil can easily lead to various diseases, patients must keep warm, eat less or try not to eat cold food, and seek medical attention and treatment for symptoms.