Dance medicine is special field of medicine that treats dancers’ physical and mental disorders. Especially, the dancer belongs to the specific profession that has the double aspect of the artistic aspect of pursuing artistic beauty and the physical motion needed to achieve this goal, sportive aspect. Pursuit for artistic beauty is pursuit for mentality and perfection, and dancers suffer from stress coming from competition as professional and come to overwork due to physically repeated motions. At length, dancers are in a state that they physically or mentally suffer from stress. In the 1960s, the Sports Medicine and Exercise Injury Association of New York investigated what was the hardest and most difficult exercise of about 60 events. As a result, they included ballet, football and hockey. This study revealed that 98% of dancers experienced injury and more than 90% are suffering from chronic diseases. Ballet-related injury has several forms that can usually be forecasted, and to prevent these kinds of injury in advance, dancers should be allowed to use motions effectively by investigating the accurate dance technique the motions with the high frequency of injury. Injured dancers should be enabled to increase their muscular strength effectively by conducting the rehabilitation program that enables them to recover from injury as soon as possible. If they are thought to be injured, they should avoid self-diagnosis, refrain from taking drug without any care and have the habit of receiving diagnosis from the specialized doctor. Taken together, practice with the knowledge of the cause for injury from dance would play a great role in preventing injury, and if dancers are injured over the course of dance, they should analyze and evaluate the reason why the injury occurred. The delay of treatment or shortened treatment or improperly sufficient recovery programs contributes to the worsening of injury. Therefore, dancers should master medical knowledge of their body in the sense of preventing injury in advance and minimize injury through analysis of the cause for injury from dance.