In order to further improve the quality of teaching, promote the exchange of teaching experience among teachers, improve advanced teaching concepts andstrengthen their teaching abilities, ICFS organized a teaching observation activity at 13:00 on May 7 in H403 of Yi De Building. As the main lecturer of this activity, Prof. SONG Yijia explained in detail the use of Pyecharts library in Python language, visual analysis of financial data and data cleaning of real estate chain data in the class of teaching Python Language and Financial Data Analysis for the master students of ICFS, which presents her extraordinary teaching styles to other teachers.