Gamma Knife is more effective in treating brain tumors, pancreatic cancer, lung cancer, recurrent pituitary adenomas and other diseases. Gamma Knife usually uses the principle of three-dimensional geometric orientation to select normal tissues from diseased tissues, and then uses gamma rays to focus irradiation in large doses, so as to kill some of the tumor cells and achieve the purpose of treatment. Gamma Knife is more effective in the treatment of brain tumors, pancreatic cancer, lung cancer, recurrent pituitary adenomas and other diseases. Gamma Knife patients should pay attention to proper rest and avoid overwork after surgery. Diet should be balanced and comprehensive, avoiding too spicy and stimulating food. Gamma Knife patients should pay attention to regular checkups in the hospital after surgery, and timely treatment should be carried out when discomfort occurs.