The method includes steps: cipher key sending party sets up first operation rule and second operation rule in advance; transform operation is implemented for cipher key data by using first operation rule so as to obtain cipher text of cipher key data; transform operation is implemented for cipher text of cipher key data by using second operation rule so as to obtain abstract data of cipher key data; distribution data combined from cipher text of cipher key data with abstract data are sent to receiving party of cipher key data. The invention lowers complexity of cipher key distribution step in cipher key management procedure, and raises difficulty of cipher key data to be attacked in procedure of distributing cipher key.