The invention discloses a patent infringement reminding system which comprises a database, a patent retrieval module, a patent infringement module, a server, a data storage module, a reminding moduleand a terminal, wherein the database is connected with the server, the server is connected with the patent infringement analysis module through the patent retrieval module, the patent infringement analysis module is connected with the data storage module and the reminding module, and the reminding module is connected with the terminal. According to the present invention, the similar infringement intellectual properties can be analyzed through the patent retrieval module, the system has the advantages of being easy to operate, high in practicability and the like, an infringement analysis resultcan be sent to the terminal through the reminding module, and a user can conveniently protect the intellectual properties.