Abstract: The present invention discloses a method for access data, a message receiving parser and system, which belong to the field of network technology. The method comprises: receiving a data access request; determining a hard disk to be accessed by the data access request according to the data access request; sending the data access request to a message queue associated with the hard disk such that the hard disk may complete data access according to the data access request. The message receiving parser comprises: a receiving module, a determining module and a sending module. The system comprises: a message receiving parser, at least one hard disk and message queues associated with each hard disk.