Physical activity is basically required by an individual, which improves health and avoids illness. It plays an important role In rehabilitating the patients who have mental and physical illness. Health education, especially on physical fitness and nutrition. Academic pressure and comprehensive examination will lead to accumulated tension and anxiety.Swimming is an exercise that stretches the human body beyond its limits. It is an exercise that is done for soothing body ache and relaxes all the muscles. Swimming develops self concept and improves adaptive behaviour.Swimming motion showed excellent effect when compared to other sports in participants' health and reducing stress.This is a cross sectional survey was conducted among dental students through a self administrated questionnaire through an online survey link with google forms .The study population included dental students.The participants were explained about the purpose of study in detail.The questions were carefully studied and corresponding answers were marked by the participants. The responses were collected and the results were analysed.83.5% of the dental students believed that fitness is really important for a dental graduate and only 16.5% of dental students did not agree to it. 71.6 %of the dental students choose swimming as a good alternative for all the previously mentioned fitness regimes .So many studies showed that physical activities are very important for human health. Therefore, it can be said that the present study results supported many studies done about the physical activities and psychological health in the past and current literature. Swimming is also liked by a lot of people but due to insufficient time most of them do not practice it.