The invention relates to cane juice purifying separating technology of sugar making. It includes the following steps: separating the initial extraction liquid and the secondary at sugar cane juicing stage; adding lime cream or other basic compound into the secondary extraction liquid or their mixture to make the pH value equal to 8.0-13; once or many times clarifying of chemical coagulation, flocculation, and solid-liquid separation; mixing the clarified liquid with the initial extraction liquid to do further clarifying by limebase process, phosphoric acid and sulphitation process. |