Routing method of printed circuit board and electronic device

An electronic device, comprising:

• a processor;
• and
• a memory device, coupled to the processor, wherein the memory device comprises design information, the design information comprises a plurality of element pins of at least one circuit element, a plurality of electrical pins on a printed circuit board and at least one obstacle,
• wherein the processor obtains the design information through the memory device and arranges a plurality of bus paths according to the design information, each of the bus paths is adapted for arranging a plurality of wirings to connect the element pins and corresponding electrical pins,
• the processor calculates a plurality of bus spacings, wherein each of the bus spacings is between one of the bus paths and adjacent one of the bus paths, calculates a plurality of obstacle pitches, wherein each of the obstacle pitches is between the obstacle and one of the bus paths adjacent to the obstacle, adjusts the bus paths according to the bus spacings and a preset distance, wherein a distance between one of the adjusted bus paths and adjacent one of the bus paths is less than or equal to the preset distance, and adjusts the bus paths according to the obstacle pitches and the preset distance, wherein a distance between the obstacle and one of the adjusted bus paths adjacent to the obstacle is less than or equal to the preset distance, and
• the processor arranges the wirings in each of the adjusted bus paths according to the design information.