There is no such thing as a tumor where moxibustion is most feared. Chinese medicine believes that tumors are caused by dysfunction of the internal organs, stagnation of qi and phlegm, and stasis of toxins, and can be alleviated by moxibustion of the foot, Guanyuan, and Sanyinjiao to achieve the purpose of supporting the root of the problem, and to help alleviate some of the clinical symptoms of the tumor. Foot Sanli is located in the front outer side of the calf, 3 inches below the eye of the outer knee, one transverse finger from the anterior edge of the tibia, is the stomach meridian and the lower meridian of the stomach, through moxibustion foot Sanli can play the role of strengthening the spleen and the stomach (to restore the function of the spleen and stomach), support the positive and cultivate the vital energy, through the meridian and activate collaterals, and elevate and lower the role of qi. Guanyuan is located in the lower abdomen, the front center line, when the umbilicus in the lower 3 inches, is the collection point of the small intestine, the liver, spleen and kidney meridians in the Ren vein convergence here, moxibustion Guanyuan can cultivate the kidney and solid foundation, replenish the qi back to the yang. Sanyinjiao is located on the inner side of the lower leg, three inches above the tip of the ankle, the inner side of the tibia at the rear edge, for the liver, spleen and kidney meridians, moxibustion of the point can strengthen the spleen and blood, benefit the kidney and liver. However, it should be noted that moxibustion has a limited effect on tumors, and patients with tumors should strictly follow the doctor’s instructions for medication, and moxibustion is not a cure for tumors.