The invention discloses a search method and device of a distributed log. The method comprises the steps that a mode of an index filter selected by a user is determined; a screening condition which is based on the mode and inputted by the user is received; the index filter of the mode is operated, the index filter searches logs collected from a distributed network according to the screening condition, and the eligible log is obtained. The search device can conduct searching based on a saved original log file and prevents log information from being discarded in the saving process, and the searched log can be directly read by a technical staff, which helps the technical staff to rapidly make judgments according to the searched result.