The external stuck type pipeline cutting and beveling machine sets the processing range according to international pipeline standards, and can perform single cutting or single beveling processing on various specifications of pipelines, containers, and flanges. It can also complete cutting and beveling processing simultaneously, and can also perform composite beveling and flange surface processing. Its design is clever, installation and operation are very simple, and the body is a split ring structure, which is very convenient for disassembly and combination. It can be installed at any position of the pipeline. It is a movable pipeline cutting and beveling machine with small radial space, suitable for complex environments and small spaces. Good bevel quality, fast speed, and adjustable cutting amount. Widely applicable for pipeline installation and repair operations in industries such as petroleum, chemical, natural gas, food, boilers, pharmaceuticals, nuclear power, and field management construction.