The utility model relates to a 35kV substation wiring system. The wiring system includes a 35kV incoming line, an outgoing line, a voltage transformer and a circuit breaker. The 35kV incoming line and the outgoing line are connected to the same segment of a bus to constitute a group, each group is connected to a low-voltage side circuit breaker via the voltage transformer, and the other end of the outgoing line is transmitted directly to 35kV users. Compared with the prior art, the 35kV substation wiring system is well structured, flexible in operation and high in power supply reliability, and can cooperate with the construction of a terminal station and a central station, further improve the structure of a power grid, build a overhead transmission network of firm structure and flexible operation, and form a ring net power supply mode.