This report shows the matters which are investigated and analyzed in 'Robotics Committee in Construct ion' of 'Japan Society of Civil Engineers'. This Committee, consists of many authorities, has worked on a wide variety of technical problems since 1981; such as safety control and saving time in construction works, systematization, automatization and robotization of control skills. The work on this report is one of these researching activities. It can be understood the recent attitude of the Japanese construction industry toward the idea of robotization and automatization. Following describe the results of analysis on robotizations and automatizations in three different aspects. 1) Automatization and robotization nowadays in nine points of view. 2) Automatization and robotization of respective work in construction. 3) The analysis and future problems of automatization and robotization in construction.