This study is the Use of Filipino Language in the Teaching and Learning lesson of MAPEH students. The respondents were the students of Pacita Complex National High School in San Pedro, Laguna. The data was collected from one hundred and thirty students of Grade eight (8) of Pacita Complex National High School to answer five (5) problems stating that 1. What is the teaching level of Using the Filipino Language based on: 1.1. Knowledge of the Subject 1.2.Teachers Strategy and 1.3.Teaching Tools? 2. What is the level of the use of the Filipino language in learning the lesson in MAPEH based on: 2.1. Translation 2.2.Understanding 2.3.Interest and 2.4. Skill? 3. What is the result of students performance in Advanced Tests and Practical Training? 4. Does the use of the Filipino language have a significant effect on the teaching of lessons in the MAPEH subject? 5. Does the use of the Filipino language have a significant effect on the learning of MAPEH lessons? In this study, the researcher used a Descriptive method (Descriptive Method) to gather accurate data and information.