Minimally invasive tumor treatment tools are not only used in every stage of tumor treatment, but can even perform most of the operations that can be done by traditional surgery. Although minimally invasive cannot completely replace traditional surgery, it has shown its superiority and irreplaceability in many aspects. Its trauma is small, as long as a very small incision is made on the body surface or no incision is required, recovery is fast; local efficacy is exact; it can play a radical role in early stage tumors and achieve palliative treatment such as tumor reduction in late stage; accurate positioning, good selectivity, and can protect normal tissue and organ functions to the maximum extent. Because of these advantages, minimally invasive treatment has become an indispensable and important part of comprehensive tumor treatment. Minimally invasive tumor treatment is divided into the following aspects: 1. Laparoscopic surgery Laparoscopic resection of colon cancer, rectum cancer, stomach cancer, ovarian and uterine tumors, and even lobectomy of liver and pancreaticoduodenectomy are performed. The surgical trauma is indeed significantly reduced compared with traditional methods. However, its limitations cannot be ignored: the tumor-free technique, the integrity of the resected specimen and the scope of lymph gland clearance have different degrees of defects. Minimally invasive reform of traditional surgery The treatment effect of breast preservation surgery for early stage breast cancer is comparable to radical surgery, and its cosmetic effect is unparalleled by radical surgery. The efficacy of local resection of liver cancer is far better than that of lobectomy. The proportion of elderly malignant tumors and patients with important organ disorders such as heart and lung is gradually increasing, and many patients cannot tolerate traditional surgery, which also requires us to carry out minimally invasive reform of traditional surgery. 3, other: interventional therapy, radiofrequency therapy, ultrasound focus therapy, photodynamic therapy, microwave therapy, argon helium knife therapy, radioactive particle implantation, etc.. Although there are many kinds of methods and different principles, the result is inactivation of tumor in situ, which can be carried out by doctors of internal medicine, ultrasound, radiation and other departments. Minimally invasive treatment is a local treatment means, which has absolute advantages over chemotherapy and biological treatment and other means in controlling and eliminating local lesions, but it is not a panacea. In practice, we should not pursue minimally invasive treatment in a partial manner. Only by strictly grasping its symptoms, reasonably selecting appropriate means and combining with other effective methods can we fully reflect the advantages of minimally invasive treatment and improve the therapeutic effect.