The invention discloses an interaction communication system of a friends making platform. The interaction communication system comprises a peak, a jaw protecting device, a microphone, a conversation line, an earphone, a cap body, an antenna and a communication device, wherein the cap body is in a hemispherical case shape; the peak is connected to a position of the front side upper part of the capbody; the jaw protecting device is connected to a position of the front side lower part of the cap body; the communication device is connected to the top of the cap body; the antenna is built in the cap body and is connected with the communication device; the earphone is connected to the left side position of the cap body; the communication device is connected with the earphone through a line; andthe microphone is connected with the earphone through the conversation line. The communication system is arranged in the cap body, so that two hands are liberated; meanwhile, a protection function isprovided for human bodies; wireless communication is used, so that the communication is not limited by territories; and the communication system is arranged inside the cap body, so that the size of the communication system is effectively reduced.