Deep foundation pit engineering dynamic risk information management system

The invention relates to a deep foundation pit engineering dynamic risk information management system which comprises the following parts: a project management apparatus used for establishing and preserving concrete information of engineering project and storing the information in a database; a risk management apparatus used for identifying risk factor in dependence on concrete engineering and storing the risk factor in the database, completing a risk assessment through risk weight calculation and risk evaluation, providing corresponding risk countermeasures to each risk factor evaluation result, tracking management risk, and storing the risk countermeasures information in the database; a background data maintenance apparatus used for carrying out one or more operations from the group of selection, adding , modification, deletion, preservation and cancellation in dependence on engineering reality condition and querying risk information; a system management apparatus used for adding user and modifying code; and a help apparatus used for introducing content of system operation. Compared with the prior art, the system in the invention has the advantages of high assessment efficiency, accuracy, reliability and the like.