In order to set up sub-database for sheet metals formability in the database of metals plastic working technology and spread the applying technology of formability and GB/T 15825.1~8 《Sheet metal formability and test methods》,it introduces a set of national industrial standards and the basic conception,describes the production system feature of sheet metal formability,classifies the formability into five couples forms and ten technical conceptions,illustrates the technical application and developing tendencies of the formability in stamping manufacture combined with the relationship of formability and essential properties.