Primary objective of this article is to discuss Prevention and Treatment of Tennis Elbow. Tennis elbow is an overuse injury that can be caused by various reasons including sports, gardening and even simple tasks including lifting a plastic bag filled with groceries. Tennis elbow is usually a painful medical condition on account of overuse of the tendons inside elbow. The intensity of pain is dependent upon the severity of the injury and it might be treated using pain relievers regarding minor cases to surgical procedure for major ones. An important treatment that can become administered is rest. Careful attempts to reduce repetitive motions to be able to prevent further aggravation with the tendon are crucial which is kept in check by using an elbow brace.