Bloodletting therapy is generally not recommended for thrombosed masses. Bloodletting therapy is not suitable for all diseases and may be risky when applied incorrectly. The use of bloodletting therapy for thrombosed masses may cause adverse reactions such as excessive bleeding. Bloodletting therapy is a method of treating diseases by using three-pronged needles to puncture the superficial veins of acupoints and release a small amount of blood in order to clear heat and poison in the body, which has the effect of reducing swelling and pain, dispelling wind and relieving itching (relieving itching by dispelling the wind that invades the surface of the body), draining heat and stopping diarrhea, and activating the meridians and activating collaterals, and is mainly used for treating fever, diarrhea, vomiting, and itching of skin. Thrombosed mass refers to the appearance of more obvious blood vessels on the surface of the body lumps, when pressed will appear shape changes, clinical should be based on the severity of symptomatic treatment, if the symptoms are serious may require timely intervention to remove the thrombus surgery. It is recommended to consult the vascular surgery department for timely treatment of thrombosed mass under the guidance of specialized physicians.