The term 'malnutrition' is now a days a major concern all over the world. Malnutrition basically results from eating diet consisting of either insufficient nutrients or excess nutrients, which as a result creates major health problems. For example, malnutrition often results muscular dysfunction, weakness, altered metabolism. It also affects the immunity system, resulting in an increased risk of infection. This paper briefly describes the various symptoms of malnutrition, its impact on children all over the world. It also describes the co-relation with feeding habit. And finally, it conveys a common message how to keep away this disorder and make ourselves physically and mentally healthy.