The invention relates to a planning method for a crown block route facing a transportation system of a semiconductor production line. The planning method comprises the following steps: arranging key points of a paved rail and recording coordinates; assuming a turnout part to be completely communicated in two directions; splitting rail data, and constructing a directed graph by adopting the key points and the rail between the two points; and finding the route from a starting point according to the direction of the directed graph, calculating the distance between the starting point and a target point by adopting the coordinates of the key points, and finding out the shortest route. The planning for the crown block route facing the transportation system of the semiconductor production line can be used for dealing with complicated conditions of the rail; and the shortest route from the transportation starting point to a destination is rapidly found out and the operation efficiency of a crown block is improved.
