According to my experience, the export of * * * focus map is a common graphic analysis method, which can be used for data analysis and visualization. The derivation of the * * * focus map of the original data plays an important role in the quality and credibility of the paper, which can help to prove the accuracy and repeatability of the research. At the same time, it should be noted that the production of * * * focus map and the selection of data should follow scientific principles to ensure the reliability of analysis results. Generally speaking, it is feasible and meaningful to deduce the focus map of the original data in this paper.