Hydrotherapy utilizes the universal soothing effect of water. Water is able to stimulate the self curing process of the body. Water treatment or hydrotherapy has been used by ancient people like Greeks, Romans, Turks, Chinese etc. It is also mentioned in Ayurveda, the ancient Indian treatment system. We all might have experienced the comfort provided by the refreshing bath to remove pain and exhaustion after the long day's work. Water is believed to be the essence of life and it is a major component of body fluids and almost all food items. Moreover, it is an essential part of most of the metabolic activities. We cannot even think about living without water. Hence water may be used to stimulate blood flow, removing toxins and impurities, for inducing relaxation, to relieve pain and treating various disorders. Different forms of water such as liquid, ice or steam can be used for various treatments. The temperature of the water used for various uses differs. Hot water is utilised for dilating blood vessels, relaxing muscles and stiff joints etc. whereas for stimulating internal organs, reducing inflammation and congestion etc., cold water is beneficial. The treatment methods employed are hot and cold baths, hot and cold compresses, vapor baths, showers , foot baths, spinal baths etc. Nowadays, hydrotherapy is widely used by Naturopaths for treating various disorders including back pain, joint problems, rheumatism, gall stones, diphtheria. Steam baths are used for general cleansing and also for headaches while asthma, anaemia , arthritis, period problems etc. may be cured by using hot and cold water sprays. In general, water therapy in any form, relieves most our mental stress as well as physical exhaustion.