This study aimed to investigate to what extend the Task-Based Learning method affect students’ motivation of IX-I class in MTsN 4 Banda Aceh towards English learning. There were 32 students who participated as respondents in this research. The instrument of this research was a questionnaire of AMTB (Attitude and Motivation Test Battery) adapted from Ming, Ling, and Jaafar (2011). The researcher used a quantitative research in a form of Pre-Experimental research design to collect and analyze data. The Students were taught using TBL method and they were given the pre-test and post-test questionnaire in order to find out whether TBL affected their motivation in learning English. The questionnaire contained 40 items, which are divided into four categories: positive attitudes, negative attitudes, intrinsic motivation, and extrinsic motivation. These data were analyzed using descriptive quantitative technique. The results of this research found out that there was a slight enhancement of students intrinsic and extrinsic motivation before the treatment which only [Intrinsic motivation : (M = 4,62, SD = 0,564), Extrinsic motivation (M = 4,56, SD = 0,564) and after the TBL was applied to their learning process [Intrinsic motivation : (M = 4,68, SD = 0,47), Extrinsic Motivation : (M = 4,59, SD = 0,712)]. It indicated that Task-Based Learning method did effective in increasing students’ motivation, as long as the period on implementing this method is adequate for the students to adapt with it. Thus , it is important for teacher to be more creative in designing lesson materials and tasks for the students in order to maintain their motivation towards English.