Based on deficiencies found in abstracts of academic papers of some authors received by the Editorial Office of Journal of Chongqing Jianzhu University, the importance of the abstract in literature retrival is pointed out. Then the main types, basic content and key points for abstract are introduced. It indicates that the abstract in English is a "bridge" in international academic communication and it should be written in conformity to the standard to be convenient for entering the international retrieval system and for widely academic communication.