1. The air traffic control digital flight strip management system has been analyzed, designed in detail and implemented partly in this paper.

2. Some important arithmetic of digital flight strip system has been described in this paper.

3. The main flight strip system is an important part of manned spacecraft project for callback the return modules and rescuing the astronaut in time, and the communication is the information pivot of it.

4. The software system structure of digital flight strip has been designed clearly.

5. The yellow abnormal color tone was show en in the mineralized feature information of FIMS flight strip of the region in image processing result.