The invention discloses an operation planning system. The operation planning system comprises a computer, an image collecting module and a reminding module; the computer is connected with the image collecting module and the reminding module and used for generating operation planning information through an operation planning program according to a to-be-operated image collected by the image collecting module; the image collecting module is used for collecting an operation image in the operation process and collecting an operation completing image when an operation is completed; the reminding module is used for generating a reminding signal to an operator according to the difference between the operation image and the operation planning information; the operation planning program is updated according to the difference between the operation completing image and the operation planning information.