Background Hydrotherapy has been used from ancient periods and is a cost-effective therapy for pain and inflammation. Objective: To evaluate the effect of hydrotherapy on the intensity of pain and quality of life among patients with arthritis. Design: Quasi-experimental design. Subject and methods: Arthritic patients of urban slum areas covering Bhubaneswar who were aged from 30years to 70 years of age volunteered to participate in the research study. The sampling technique for this study was non-probability purposive. Self-structured sociodemographic questionnaire, Self-structured modified arthritis quality of life scale and Visual analogue scale were used to accumulate the data. Sample size: 60 samples in the control group and 60 in the experimental group. Result: Hydrotherapy was effective to enhance the quality of life among arthritis patients. Conclusion: Based on the results of the current study it is recommended that a similar study can be done for higher analysis by utilizing randomized control trial design. Keywords: Hydrotherapy, Intensity of pain, quality of life, arthritis urban slum areas.