The evaluation aimed to get achievement in assessing an educational target by students. In terms of assessment, a quality assessment tool is needed to fulfil two things: validity and reliability. Information that lacks validity and reliability will lead to biased conclusions was not in sync with what it should be and may differ from habit. This article aimed to determine the basic concepts of the validity and reliability of tests in evaluation. This article was also written using literary study methods and qualitative approaches. The discussion of this article, namely: validity is the degree of ability of a test that measures what is to be measured in learning. There are two kinds of validity, namely logical validity and empirical validity. Four types of validity are often used: content validity, construct validity, concurrent validity, and predictive validity. At the same time, reliability is another character of the evaluation results in learning. Reliability can also be interpreted as the same as consistency or consistency. There are two general ways to measure reliability, namely: reliability stability and equivalent reliability. Keywords: Validity and Relibility, Learning Evaluation