This research aims to know the development result of local wisdom of Labuhanbatu based teching material of descriptive text for 7th grade students of State Junior High School 1 Bilah Barat. Teaching Material is in form of module. Used research method is research and development (R & D) referred on Borg & Gall proposed by Sugiyono. The tria subject consist of 3 students with individual trial, 9 students with small group trial, and 32 students with limited field trial. Technique of collecting data uses observation, interview, questionnaire and writing descriptive text test. The research result indicates that: (1) validation of material expert includes content expediency with average 87.18% on very good criterion, presenting expediency gets the average 85.19% on very good criterion, and language assessment gains 87.93% on very good criterion, (2) validation of design expert gets 91.58% on very good criterion, (3) teacher’s response is on the average 88.33% on very good criterion, (4) individual tria gets the average 74.61% on very good criterion, (5) small group trial gets 83.22% on very good criterion and (6) limited field trial is on average 90.18%. The gained result of effectivity of using local wisdom of Labuhanbatu based module of descriptive text material is 75.37 and the effectivity of textbook is 69.85. The different is 11.72 of using textbook and using module.
Keywords: Descriptive Text, Development, Local Wisdom, Teaching Material
