Carved from the processing principle of speaking is a kind of drilling and milling, engraving machine data input mode according to the need to do a job with skill and ease. Computer engraving machine with laser engraving and mechanical engraving of the two categories, these two types of large power and small power points. Because the application of the engraving machine is very wide, it is necessary to understand the most suitable application range of various engraving machine. Small power only suitable for double color plate, building model, small signs, three-dimensional crafts. Because the power is too small and greatly affected the scope of its application. Large power engraving machine engraving machine power can do little things. The most suitable for large cutting, relief, sculpture.