Unhealthy dietary habits are related to diabetes, cardiovascular disease, and increased obesity risk over the past decades. It's mainly due to the dietary factors and lack of physical activities among students. Unhealthy food eating habits and lack of food knowledge and health products leads to severe health problems in the young generation. They prefer food based on their taste, look especially in their psychological point of view not based on their healthy aspects. They often prefer outside foods especially from hotels and local food shops this may affect their immunity and increase the risk of various disease. The main objective of the present study was to find out the awareness on healthy dietary habits among prospective teachers in Tirunelveli district. Survey method was adopted by the investigators to conduct this study. The sample consists of 250 prospective teachers in Tirunelveli District. Healthy Dietary Habits Awareness Scale was developed by Maria Saroja, M and Michael Jeya Priya, E (2020) has been used for collecting data. Mean, SD, 't' - test and ꭓ2 was used for analysis the data. The investigators found that i) there is significant difference between rural and urban, nuclear and joint family prospective teachers in their awareness on the healthy dietary habits (ii) there is no significant difference between girls and co-education prospective teachers in their awareness on the healthy dietary habits (iii) there is no significant association between prospective teachers in their awareness on the healthy dietary habits with reference to the father's educational qualification and mothers educational qualification.