Unexpected geological disasters frequently occur in China, it is urgent to improve the efficiency of emergency investigation of geological survey team. This paper introduces a newly-developed portable emergency investigation toolbox for geological disaster emergency investigation, which has the outstanding advantages of being suitable to team cooperation, emergency and application in field. Field application proves that data quick collecting, storing and transferring can be realized by the portable toolbox matching with the field data transmission device. Various standardized geological survey can be automatically generated after paperless field data input and the integration of collection, editing and output is realized, which greatly improves the comprehensive efficiency of the emergency investigation and provides technical support for the unexpected geological disasters emergency investigation.