Precision moving tables are playing an important role in machine tools and measuring machines. In order to achieve higher motion accuracy, it is necessary to measure the motion errors of the moving table and feed back them to control the motion. In the six motion errors, rolling error is the most difficult one to measure. Several developed methods of rolling angle measurement are described in detail． The principle，the status of development and the application situations of each method are displayed．The advantages and disadvantages of them are compared．The trends in the fields are discussed.