When different types of distributed generation (DG) are connected to the distribution system, adjusting the network structure under the influence of different types of DGs becomes the key technology of distribution network reconfiguration. In this paper, a distribution network reconfiguration model considering different DG access modes and their characteristics is proposed. Considering different interfaces of DGs connected to the network, the corresponding equivalent access modes are studied, and the characteristics of DG and load are simulated and predicted. According to the radial characteristics of distribution network, a reconfiguration mathematical model based on second-order cone programming is established to optimize the network loss. The effectiveness and relaxation precision of the reconfiguration model proposed in this paper are verified by comparing and analyzing the traditional reconfiguration method with the IEEE 33-node test system, which can effectively improve the economy and security of operation.