Drug rehabilitation is the psychotherapeutic treatment given to drug addicts. It helps the patient to get rid of substance abuse as well as process abuse. The treatment mainly includes counselling by experts, medication for depression, making them to be spiritual. Drug rehabilitation centres offer certain programmes which include residential treatment, local support groups, extended care centres, recovery houses, and out-patient. Principles of effective drug rehabilitation treatment are no single treatment is appropriate for all, Treatment needs to be readily available, Effective treatment attends to the multiple needs of the individual, Treatment plans must be assessed and modified to meet changing needs, Remaining in treatment for an adequate period of time is critical for treatment effectiveness. Counseling and other behavioral therapies are critical elements of rehabilitation, Medications are crucial element of treatment for many patients, and possible drug use during treatment must be monitored continuously Rehabilitation programmes need to work close to the patient, offering a variety of options like local support groups and extended care supports. Rehabilitation is one of the hardest thing that one addict has to accomplish.