Tumor treatment machine and its operation method

The invention relates to a medical apparatus and the using method, especially to a tumor treating machine and the using method. The tumor treating machine comprising computer host machine, display, radio frequency generator, circulating pump, cooling unit and treating needle; the host computer is in electric connection with the radio frequency generator, circulating pump and cooling unit, the cooling unit and treating needle are connected with the circulating pump through conduit individually, the treating needle is in electric connection with the radio frequency generator. The invention inserts the electrode in the tumor tissue, and heat and dewater the part of tumor tissue through radio frequency energy, and thus realizes coagulation and coagulation the tumor tissue. The invention penetrates through skin into the disease focus by employing controllable treating needle under guild of video device, and carries out treatment by setting relevant data by host computer.