Log analysis method and device

The invention provides a log analysis method and device and relates to the field of computer application. The log analysis method and device solves the problem that existing log analysis manners cannot meet the requirements on log analysis in cloud environments. The method comprises collecting log information of a plurality of heterogeneous devices; analyzing the received log information. The log analysis method and device is applied to cloud computing environments and achieve unified analysis and management of logs of multiple heterogeneous devices.