Method, device and equipment for identifying similar legend of CAD drawing and storage medium

The invention discloses a CAD similar legend recognition method, device and equipment and a readable storage medium, and the method comprises the steps: determining a template legend of a similar legend needing to be calculated in a CAD drawing, recognizing elements forming the template legend, and obtaining an intersection relation between the elements forming the template legend, the CAD drawing comprises a plurality of legends, and the elements forming the template legend are connected with the template legend. Each legend is composed of elements; obtaining weight information and position information of all elements forming the template legend, wherein the weight information comprises an attribute weight and a shape weight; and determining the similar legend of the template legend according to the weight information and the position information of all the elements and the intersection relationship between the elements forming the template legend. 本发明公开了一种CAD相似图例的识别方法、装置、设备和可读存储介质，该方法包括：确定CAD图纸中所需计算相似图例的模板图