1, wider forceps tip and lower electrocoagulation output; 2, intermittent electrocoagulation method: each electrocoagulation for about 0.5 seconds, repeated several times until the standard of electrocoagulation perfection; 3, migrating incremental electrocoagulation method: from the proximal to distal end of the vessel, gradually increase the number of intermittent electrocoagulation, until the surface of the electrocoagulated vessels blackened, blackened cut off the vessel; 4, blocking blood flow electrocoagulation method: for arteries with a diameter greater than 1.5 mm or blood flow Abnormally fast vessels (such as AVM), first use vascular clamps to temporarily block the blood flow and then electrocoagulation; 5, the length of the vessel cauterization area for more than 2-3 times its diameter. 6. The vessel wall must be moistened with saline before electrocoagulation.