Prime purpose of this article is to discuss effects of Arthroscopy Surgery. Arthroscopy surgery is a commonly performed surgery which helps to treat knee problems. Major difference from normal open surgery is that small incisions are made to allow a small camera as well as surgical devices in order to be placed at the knee joint. Because the only small incisions are generally made, the recovery time is shorter and there is less potential complications compared to open surgery. This article briefly explain some Effects of Arthroscopy Surgery, they are Decreased range of motion, Blood clots, Infection, Further injuries due to surgery and Hemarthrosis.