Pv6 not only solves the problem of IP address deficient, also simplified the protocol header, and the success of the introduction of two new extension header AH and ESP. The Internet of things perceived terminal data format varied, unified management difficult operation, new business difficulty landing. The research of security Internet of things will mainly focus on the open web application security system, individual privacy protection mode of networking, security features, Internet safety laws formulation. The paper presents the novel application model of Internet of things based on IPv6 technology. Experimental results show that the proposed method has high efficiency.