Children's dietary habits have been greatly influenced by food marketing. The majority of places where children are exposed to food marketing include not just supermarkets, but also convenience stores, television, and the internet. Childhood obesity has recently become a cause for concern due to the growth and expansion of the marketing of unhealthy foods, which influences children's purchasing and consumption habits, including their knowledge of nutrition and food preferences, as well as how they shop for food and their overall health as a result of their diet. Television is the primary source of food-related media messages for children, particularly younger ones. Television Food advertising is the use of television to promote food goods and businesses. Marketers selling intent is not understood by all children, therefore parents play an important role in choosing and purchasing the right type of food for them. The paper intends to understand the Impact of Television Advertising on Food Habits of Children. The study has been made by conducting a survey in Tirunelveli District of Tamil Nadu. A questionnaire assessing attitudes of children towards TV advertisements and buying behavior of parents was distributed among parents of children Upto Twelve years of age. For that, the researcher collected 80 samples from the respondents and percentage, chi-squre test and Garret Ranking method used for this study.