Abstract: Method and device for making a secure call in a multi-party call, and a multi-pass terminal are provided. The method includes: setting up a secure service data channel with terminals participating the secure call; and processing service data of the terminals participating the secure call which is transmitted on the secure service data channel. By embodiments of the present disclosure, the secure call may be set up and content of the secure call may be encrypted, so as to guarantee call security in the multi-party call.