In order to solve the problem that the paths of angular distribution at focus plane and beam spot at image plane can not be measured at the same time,an advanced measurement of optical transition radiation was proposed.The light path principle and the machine structure were introduced.The technical difficulties and resolvent of OTR lens ,the beamsplitting prism and lead shield were analyzed.The results show that the system overcomes single function measure and the bad imaging.The better pictures of angular distribution and beam spot can be obtained synchronously on ICCD cameras.The high power radiations such as X-rays disturb the pattern collection intensively,and are mostly shielded.