An excisional biopsy is the removal of a portion of tissue from the site of the diseased tissue by surgery or ultrasound or CT guidance for pathologic and immunologic examination. Excisional biopsy is the mainstay of pathology and is the gold standard for the diagnosis of many malignant tumors. Through pathology biopsy, not only can we clarify the nature of the disease, such as the benign or malignant nature of the mass, but also the stage of the tumor, and after clarifying the stage of the tumor, we can formulate the corresponding treatment plan. The excision biopsy needs to be carried out under the comprehensive assessment of the specialized doctors in the hospital to see whether it is feasible or not and whether it is necessary to carry out the examination, and then the operation is carried out by the specialized personnel, in the process of the operation, it must be accurately positioned, and the hand must be steady in the process of the operation.