Bleeding around the navel to remove blood stasis is a traditional Chinese medicine therapy, which mainly aims at treating diseases by puncturing the skin and releasing a certain amount of blood. This method is called pricking collaterals and bloodletting in TCM theory, and it is an ancient and widely used method for health preservation, disease prevention and treatment. After moxibustion, there will be symptoms such as rash around the navel. At this time, it is necessary to bleed and detoxify.