Data acquisition method and device, equipment and storage medium

The invention discloses a data acquisition method and device, equipment and a storage medium, and belongs to the technical field of block chains. The method is applied to a block chain system, and comprises the following steps that: a first data acquisition transaction sent by first equipment and used for requesting to acquire multiple pieces of data is received; the multiple pieces of data are obtained, n pieces of data are stored in a target file in a storage system when the n pieces of data in the multiple pieces of data are obtained, and n is a positive integer smaller than the number of the multiple pieces of data; after the multiple pieces of data are all stored in the target file, the file identifier of the target file and the number of the data in the target file are sent to the first device; a second data acquisition transaction sent by second equipment is received, wherein the second data acquisition transaction carries the file identifier and a data index; data indicated by the data index is acquir