Along with the information technology rapid development in social each domain, also has been widely used in military operations, caused the significant changes to the way the military operations, but also to the integration of modern war, precise, intelligent direction development, equipment support ability to become a key factor of war, the outcome of the paper from the present conditions of the armored mechanized force support, build the evaluation index system of equipment support ability, and by using the G1 method gives index weight and the gray numerical example analyzed, provides a quantitative armor equipment support ability evaluation model, enrich the theoretical framework.