Abstract-The purpose of this research was to find out the analyze student commitment to do lecture task observed from motivation to achieve achevement. By analyzing the commitment and motivation of achieving good results, the causes of and solutions to enhance the student's commitment to the task are expected to be known. This research used quantitative approach with correlational method. The population of this research was 248 Students of Accountancy Education in Universitas Islam Riau in education year 2016/2017 who still have theoretical lecture subject. The sample determination is done with Slavin formulas and dwarf in proportional random sampling. The samples were 154 students who was taken by using proportional random sampling technique. The data was collected by using questionnaire with Likert scale. The data was analysed by using descriptive analysis and product moment correlation analysis. The result of the research showed that motivation to get achievement and student commitment to doing lecture task (task commitment) had significant relation. The higher student motivation to achieve achievement, the higher student commitment to do lecture task. The study also showed that the cause of low commitment students due to the easily bored and not independent in the task.Keywords-commitment to do task, motivation to achieve achievement.