Leadership can benefit every aspect of your life, giving you greater confidence, strengthening your communication and negotiation skills and developing character. The purposes of this research is to determine the influence of principal leadership on teacher’s performance. This type of research is quantitative research by using ex post facto approach. The population in this research is elementary school teachers in Tayu Subdistrict of Pati Regency with the total number of 295 people, and it is obtained 167 people as sample by using random sampling technique. The method of collecting the data is using questionnaire. The data analyses used in this study are descriptive analysis, prerequisite tests, and hypothesis testing using simple and multiple regression analysis. The results of study showed that principal leadership has an effect on teacher’s performance of 23%.