From the perspective of the specified users of the financial statement, this paper explores the relationship between the internal quality control, products’ market competition and analyst forecast. The results show that with relatively higher internal quality control, the earnings forecast precision is higher and the dispersion of the variation is less; the analysts tend to trace more on the enterprises with fewer problems after the release of the internal control information; the products’ market competition has some substituting effect on the relationship between internal quality control and the analyst behaviors. The results in this paper reveal that the improvement of the internal control and the release of the internal control information help to alleviate the asymmetry of information, which has meaningful significance on the information optimization of the capital market. The findings in this paper further offer evidence for the research of internal control of economic benefits.