For diabetic patients with phlegm-dampness congestion in the body, the following Chinese herbal prescriptions can be used: Er Chen Tang, Ling Gui Jie Gan Tang, Huang Lian Wen Gallbladder Tang, and so on, and the specific use of the medication should follow the doctor’s instructions. 1. Er Chen Tang is composed of Chen Pi, Pinellia, Poria, Glycyrrhiza glabra, Wu Mei and Ginger, which has the effects of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and neutralizing the middle (adjusting the qi of the spleen and stomach to make the functions of the spleen and stomach smooth), and it is the basic formula for treating phlegm-dampness, and it can be applied to all kinds of phlegm-dampness diabetes mellitus with additions and subtractions on the basis of this formula. 2. Ling Gui Zhu Gan Tang: composed of Poria, Gui Zhi, Rhizoma Atractylodis Macrocephalae and Glycyrrhiza Uralensis, it has the effects of strengthening the spleen to dispel dampness (by tonifying the spleen to expel dampness) and warming Yang to resolve drinking (by warming the Yang qi in the body to promote the metabolism of water and fluid), and it is suitable for diabetes mellitus with cold-phlegm and cold-dampness type. 3. Huanglian Wengdian Tang: composed of Huanglian, Poria, Pinellia, Semixia, Citrus aurantium, Bamboo Roots, Ginger, Jujube and Licorice, it has the effects of clearing heat and drying dampness (removing heat and drying dampness), regulating Qi and resolving phlegm (regulating Qi in the body to resolve phlegm), and is suitable for diabetes mellitus with phlegm-heat and damp-heat type. The above formula is not a substitute for western hypoglycemic medication without special instructions from the doctor that hypoglycemic medication may be suspended when taking traditional Chinese medicine. In addition, phlegm-dampness congestion needs to be recognized as cold or heat, and should not be self-administered or stopped. If you are not feeling well and need to take medication, please go to the hospital and take medication under the doctor’s guidance.