Zhang Song got very good grades in the course "Comprehensive Test of Professional Ability I" taught by Dongao. Master's degree, with certified public accountants, tax agents, asset appraisers, senior accountants, Australian certified public accountants and other professional qualifications. He has worked in domestic accounting firms, four major firms and the finance department of a central enterprise. I have many years' experience in accounting teaching, participated in the preparation of notes test-related counseling books for many times, and published dozens of professional articles in domestic core journals.

In teaching, Zhang Song is characterized by strong logical thinking, easy-to-understand cases, accurate expression and accurate analysis of knowledge points, and can effectively combine professional knowledge with actual cases. He is also a graduate tutor in many universities and has rich teaching experience.

Generally speaking, Zhang Song has shown a high professional quality and teaching level in the comprehensive test course of vocational ability I, which can provide valuable knowledge and guidance for students.