This study was motivated by the low of critical thinking skills of the mathematics education students. Will be searched the factors that affecting the capabilities. The purpose of this study to determine the influence of learning motivation (in terms of the gender differences) to the ability of mathematics critical thinking, then to determine what factors that support and hinder the learning motivation. The research sample is 84 students who take Structure of Algebra II in STKIP Siliwangi Bandung. This study used expost-facto research. The data taken from the students questionnaires, interviews and the mathematics critical thinking test. The results showed the differences learning motivation in terms of the gender differences, but not significant for the mathematics critical thinking