The word ‘psychosomatic’ means mind or ‘psyche’ and body or ‘soma’. A Psychosomatic Disorders is a disease involving both mind and body, in other words. some physical diseases are prone to worsen by anxiety and stress. it is a condition of dysfunction or structural damage in bodily organs through inappropriate activation of the involuntary nervous system and the glands of internal secretion. There are many psychosomatic disorders like peptic ulcer, rheumatoid arthritis, cardiovascular diseases, diabetes mellitus, thyrotoxicosis, ulcerative colitis etc. IBS is one of the psychosomatic disorders. IBS is a functional bowel disease in which abdominal pain is associated with defecation or a change in bowel habit. It is a disorder of the young people with most new cases presenting before 45 years. Reports suggests that the elderly are troubled by IBS symptoms up to 92% as often as middle-aged persons. women are diagnosed with IBS 2-3 times more often as men and make up 80% of the population with severe IBS. Global prevalence of IBS is 11.2% and reported 4.2-7.5% prevalence in the Indian population. In conventional method the treatment is symptomatic such as anti-depressants, anti-diarrheal drugs, various laxatives which possess dozens of adverse effects such as nausea, headache, loss of appetite, dizziness etc. and dependency, withdrawal symptoms. All these ailments are treated well with homoeopathic medicines. Among them argentum nitricum is frequently uses for the treatment of IBS. It has neurotic effects, watery, noisy, flatulent, chopped spinach like green stool with shreddy mucus, diarrhea after eating, after  emotion with flatulence. This medicine is successfully used in complaints of IBS on basis of symptom similarity without producing any further adverse effects. So, the initiative has been taken to show the efficacy of homoeopathic medicine argentum nitricum in treatment of IBS.