Abstract: The management of heavy loss station area as the main important job of the company marketing line loss management is a long duty. With the daily work, the regulation idea of high loss area is summarized as the 12 character policy of "system first, then site; gateway first, then users". Among them, in addition to the collection and archives, the most common line loss factor in the management of high loss station area is the high loss factor of power theft. Atypical case of power stealing by drilling pole threading and borrowing live wire and sharing null line in agricultural and pastoral areas is analyzed and treated. In the acquisition system, the "zero line current" and "voltage module and current module" calling measurement functions under single household are applied to conduct full penetration of suspected power stealing users such as zero degree households, small power households and power households in the station area. It is found that residents have the defect of zero line current imbalance. This case occurred in pastoral areas, but similar urban users installed "heel gate" to steal electricity after connecting fire wires. When carrying out abnormal loss control in this type of power theft area, using the practical analysis ideas in the above for verification will effectively improve the investigation efficiency.