The study primarily focuses on the issues of over and underneath nutrition, those are undergoing fast transformation. The clinical and scientific basis of malnutrition, obesity, therapeutic approach is the main subject rends for the health Nutrition. Public Health Nutrition (PHN) is a locality of concentration where Public Health emphasizes the applying of food and nutrition knowledge, its policies and analysis to the advance of the health of population. This primarily concentrate on the promotion of fine health through nutrition and first interference of nutrition connected ill health within the population.