In this study, the relationship between preschool teachers' perceptions of efficacy in mathematics education they give and their attitudes towards mathematics education was investigated. The research method of the study is the relational screening model, one of the quantitative research methods. The research was carried out on 122 preschool teachers actively working in 2018-2019. Random sampling method was used to determine the sample of the study. In this research, self-report based measurement tools were used to collect data. In the analysis of the data obtained, t-test, one-way analysis of variance and correlation coefficient were used. As a result of the analyzes, it was found that teachers' perceptions of efficacy in mathematics education they gave and their attitudes towards mathematics education were generally high. It was seen that teachers' perceptions of efficacy in mathematics education did not differ according to the teachers' professional seniority and the in-service training they received. No significant relationship was found between preschool teachers' perceptions of efficacy in mathematics education they give and their attitudes towards mathematics education. These results were discussed in the light of the relevant literature, and a number of suggestions were made.