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The purpose of this study is to describe the ability of students to solve relation and function problems in based on the learning indicator perspective. This type of research is a qualitative descriptive study. This research was conducted at two Madrasah Tsanawiyah (MTs) schools in West Lombok with 79 students. This research instrument includes a diagnostic test sheet and interview guidelines. The procedure of this study includes the provision of diagnostic test sheets to obtain the level of student ability. Furthermore, with a purposive sampling technique interview samples were set. Based on the results of the study obtained information that the ability of students to solve the problem of relations and functions are in the low category. Based on the learning indicators obtained the following findings: (1) the ability of students to explain the definition of relations and functions are in the low category; (2) the ability of students to determine examples and not examples of functions is in the medium category; (3) students' ability to determine the domain, codomain, and range of a function is in the medium category; (4) students' ability to draw Arrow and Cartesian Diagrams are in the medium category; (5) students' ability to determine the value of a function if the value of the variable is known to be in the low category; (6) students' ability to determine the value of a variable if the value of the function is known to be in the very low category; and (7) the ability of students to make function formulas is in the very low category