Heavy dampness in the body cannot be treated by bloodletting therapy. Heavy dampness belongs to qi diseases, and bloodletting therapy is suitable for blood diseases (in the four periods of warm disease, Wei Qi and Ying Blood, it belongs to the most in-depth stage or disease), such as blood heat, blood stasis, and other diseases can be treated by stabbing blood. Chinese medicine believes that the spleen is the main transportation (the spleen has the function of digesting food, absorbing food essence and water and transferring it to the whole body), water and dampness, most of the dampness is related to the spleen deficiency or external dampness attacking the human body, and the main symptoms are weakness, loss of appetite, abdominal distension or diarrhea, and the treatments are mainly to strengthen the spleen or dispel dampness. Dampness caused by spleen deficiency can be treated with Ginseng Ling Bai Zhu San, which has the effect of strengthening the spleen and inducing dampness, and can treat weakness, loss of appetite and diarrhea caused by weakness of the spleen and stomach. For blood-heat or blood stasis cases can be treated by pricking the blood with a three-pronged needle, which is recommended to be applied under the guidance of a traditional Chinese medicine practitioner. If there is a need to remove the dampness in the body, it is recommended to follow the doctor’s prescription for treatment.