Voice processing system, method and device for instant messaging

The invention relates to a voice processing system, method and device for instant messaging. The method comprises the steps that a corresponding message body is pulled from a server side according to a message recognition mark, voice data in the message body are collected and stored in a local database, the message body is of a predefined data structure for storing the voice data, and the message body is generated by a first client side and uploaded to the server side in advance; the voice data are coded in a binary array format, and the voice data are voice data of the first object; a voice message operation control associated with the message recognition identifier is generated in a target session interface, and the target session interface is a session interface of the first object and the second object; and under the condition that a target operation of a second object on the voice message operation control is received, generating a voice file according to the voice data stored in the local database, and