The essence of the pathological changes in the obstruction of the mass is the stagnation of Qi and blood. Acupuncture and bloodletting can dredge the meridians and regulate the qi and blood, so that the pathological changes of qi stagnation and blood stasis can be reduced or disappeared, and the effect of activating the blood and resolving the stasis to quiet the obstruction can be achieved. Malignant tumor, main acupuncture point: localization of the lesion, add the vein behind the ear if the disease belongs to evil heat Case: Lu, male, 38 years old, suffered from epithelioid mesenchymal sarcoma of the right upper limb, repeated chemotherapy was ineffective, so the right upper limb and the right scapula were removed, after that, multiple scattered skin metastases appeared in the chest wall of the shoulder, the size of a broad bean, the skin color was red, the use of Chinese medicine to clear heat and detoxify the nodes to disperse anti-cancer was ineffective, the swelling continued to increase and stinging pain, according to clinical evidence, the evidence belongs to The swelling continued to increase and stinging pain, according to the clinical diagnosis, the evidence was fire-heat, local blood cupping and post-auricular vein bleeding were given, the swelling slightly shrank and the pain disappeared on the second day, and the swelling was mostly shrunk after 10 days. Pan, female, 38 years old, was a patient with metastasis of breast cancer to the 4th and 5th vertebrae. MRI showed that the mass slightly compressed the nerve root and showed symptoms of spinal cord compression, difficulty in urination and defecation, pain in the right half of the hip, and numbness from the tailbone to the heel. After one session, the pain in the hip was relieved and the numbness improved.