The research of Leaning English grammar using inductive and inductive method for Matthayomsuksa 1 Demonstration University of Phayao School aims to 1) study the results of leaning English grammar using sing inductive and inductive method both reading skills and writing skills 2) compare result of leaning English grammar pre-test and post-test by teaching inductive and deductive method both reading skills and writing skills 3) compare pre-test and post-test form the progress score by teaching inductive and deductive method.