1. A method for establishing an indexing system, the method comprising: writing, by a computing device including one or more processors, multiple inverted indexes of data records into at least one inverted file; writing, by the computing device, description information of the at least one inverted file to a description file corresponding to the inverted file; and establishing, by the computing device, the inverted indexing system based on the inverted file and the description file corresponding to the inverted file.