On 7 September, 2021, the first batch of gamma ray science data of Dark Matter Particle Explorer (DAMPE) was jointly released by the National Space Science Center and Purple Mountain Observatory, both of which are affiliated to the Chinese Academy of Sciences. The officially released data includes gamma ray science data (a total of 99864 events) and satellite attitude data (a total of 1096 records) from 1 January, 2016 to 31 December, 2018, which can be downloaded through the website of the National Space Science Data Center （https://www.nssdc.ac.cn）and the website of the Purple Mountain Observatory（http://dgdb.pmo.ac.cn/dampe/ ）.

Gamma Ray Exposure Map based on the Measurements of DAMPE Satellite