The purpose of the study is to investigate factors of 7th graders learning attitude in mathematics. According to the result of this study, the research provides some suggestions for the education authorities, the schools and future study. The approaches used in this research are Questionnaire on Mathematics Learning Attitude. 168 7th graders were randomly sampled at a Junior High School in Kaohsiung City. The feedback undergoes a descriptive statistics, two-sample independent Student t test, Pearson Correlation among other statistical methods. The following are conclusions of the research: 1. Factors of influencing 7th graders Attitude in Mathematics are the following eight elements. They are confidence of learning, influence of teachers, concept about value of mathematics, influence of the art of teaching, efficacy of self-learning, effect of learning, pressure of learning, and fearlessness. 2. Confidence of learning, influence of teachers, concept about value of mathematics, efficacy of self-learning, effect of learning, fearlessness, and grades in mathematics have moderate related. 3. Concept about value of mathematics, effect of learning, influence of teachers, efficacy of self-learning, fearlessness, confidence of learning demonstrate significantly different degrees of respect on students whose grades between above 70 and under 70. 4. Confidence of learning, influence of teachers, concept about value of mathematics, efficacy of self-learning, effect of learning, fearlessness can forecast learning grades in mathematics. Ultimately, based up on the above findings, the researcher of this study proposed 3 suggestions for the authorities concerned and official staffs.