Based on the operation of chemical unit,the text book is closely related to the application of modern chemical engineering and technology practice,and carries out experimental operation and basic theory education and teaching of verification,comprehensiveness,research innovation and ability enhancement through the combination of Chemical Engineering Principles on the two volumes of theoretical teaching content. The teaching contents are divided into five parts:introduction,chemical unit operation and comprehensive innovation experiment(fluid flow,fluid machinery,chemical instrument calibration,fluid transportation,homogeneous/heterogeneous system separation,solid fluidization,drying,extract