Interferential therapy is one of the techniques of delivering electrotherapy for pain relief. For the treatment of chronic, post-traumatic and post-surgical pain, Medical Interferential Therapy is also used. Because of its pain-free, drug-free, and non-invasive healing process, Interferential therapy has also gained popularity. It has been noted that some regular therapies will deliver enhanced outcomes. Many persons for pain relief, treatment, and edema take Interferential therapy products of their own at home. However, since it requires the use of electric currents, it must be performed under medical observation. Hospital Interferential Therapy mainly has four key applications. First of all, it induces pain relief, along with muscle relaxation. This is associated with a rise in blood flow levels, as well as oedema prevention. This is not all: this kind of treatment still allows recovery and encourages reconstruction. Overall, it is a form of pain reduction treatment that gives tremendous relief to all patients as well.