Abstract: The mobile Internet is impacting on our life style and ideology with overwhelming force. Android occupies the dominant position of the mobile internet intelligent operating system, and its platform has a high degree of openness and widespread popularity resulting in serious security challenges. Aiming at the technical point of view, the Android software security penetration attacks and reinforced protection technologies were discussed, and the Android software technology and typical attack means were introduced. The key technologies were classified, according to two aspects that act on strengthening the detection and protection system of Android software. Finally, the future development direction was forecasted in the field of Android software security.