The text studies the strength of φ100 mm×100 mm concrete core,φ75 mm×75 mm concrete core,φ48 mm×48 mm concrete core and 150 mm×150 mm×150 mm concrete masonry under the same conditions.Moreover amendments to the relationship of concrete pressive strength of different diameter concrete core and standard concrete masonry is given on the basis of a comprehensive analysis of domestic research results.The author's point of view is also given in the text.