The invention relates to an electrical system for a controller with a distribution type architecture and a power supply redundancy electric intelligent vehicle. The electrical system comprises a power supply unit, a key switch (16), a whole vehicle controller unit, a line control power-assisted unit and a vehicle part controller which are mutually connected through a power supply line, wherein the power supply unit is composed of a main storage battery (12) and an auxiliary storage battery (11); the power supply line is composed of a main constant electric line, an auxiliary constant electric line, a main ACC line, an auxiliary ACC line, an ON line and a START line which are respectively connected with the key switch (16); the whole vehicle controller unit is composed of a whole vehicle controller (18) and a redundancy whole vehicle controller (20); the line control power-assisted unit is composed of a line control power-assisted device and a redundancy line control power-assisted machine; and the vehicle part controller is connected with the main ACC line and the auxiliary ACC line through a single-pole double-throw relay. Compared with the prior art, the electrical system solves the requirement of an electric intelligent vehicle for redundancy and improves the running safety of the vehicle.