Aiming at fault characteristic of electronic products in digital equipment, modeling electronic product maintenance type logic decision making model. After analyzed its function and utilizing background, the scientific and effective maintenance strategies are formulated according to the operating function centered maintenance (OFCM) theory, and then analyzed its adaptability. The results indicated that the model accorded with digital battle field environment and digital equipment developing requirements which achieve the aim to keep and resume equipment utility function, and could offer reference to form the digtal equipment support strategy.