The common dosage of decoction of Curcuma longa is 3-10g, and the appropriate amount is used externally. However, the specific medication and dosage should be decided by the doctor according to the patient’s condition. Curcuma longa has the effects of promoting qi and breaking blood circulation, eliminating stagnation and relieving pain (eliminating stagnation and relieving pain). It is often used in heartache, dietary stagnation, epigastric (abdominal) distension, blood stagnation, dysmenorrhea, artwork obstruction (lumps), bruises. Curcuma longa has strong blood-breaking power, excessive menstruation, pregnant women should not be used. There is the disadvantage of depletion of gas and injury to the blood, in the disease (for medicinal drugs, the disease should be stopped after the general healing, so as not to cause damage), should not be taken for a long time. If you feel unwell, it is recommended that you consult a doctor. If you need to use drugs, you should be identified by a doctor and follow the doctor’s instructions for standardized treatment.