This paper focuses on income recognition, and mainly discusses some basic issues related to income recognition, including the basic concepts related to income recognition, such as the nature and meaning of income, the basis of income recognition-accrual basis or cash basis, and the basic standards of income recognition. This paper also discusses in detail the confirmation of specific income types under the current economic conditions. In addition, this paper also discusses the accounting standards related to revenue recognition. Finally, combined with the current international situation of the formulation of income recognition criteria, this paper discusses the formulation of income recognition criteria, expounds the importance and complexity of income recognition, and introduces the problems to be studied in this paper. To sum up, revenue recognition is a big problem in financial accounting. Whether and when revenue can be recognized mainly depends on the professional judgment of accountants. The formulation of new accounting standards has solved the problem of difficult revenue recognition to a certain extent, but how to better implement the spirit of the new standards is a new problem facing accountants, which must be solved by constantly improving the procedures of revenue recognition and improving the professional quality of accountants. At the same time, it also puts forward better requirements for the practice level of certified public accountants.