The present disclosure relate to techniques for establishing an inverted indexing system and related data processing. The techniques may include writing, by a computing device, inverted indexes of a massive amount of data records into at least one inverted file. The computing device may then write description information of the written inverted file into a description file associated with the inverted file, and establish the inverted indexing system based on the inverted file and the description file of the inverted file. The techniques enhance efficiency in establishing the inverted indexing system and in processing data using the systems.