A more profound comprehension of one of the factors affecting eating patterns is necessary to advocate and encourage individuals to eat effectively and successfully. Among the many things, people’s eating habits influence how they view nutritious food. In this review,“Perception of healthy eating” is people’s ideas about eating nutritious, ingesting for health, and consuming healthy foods. This article aims to summarise the study’s findings on eating healthy and determine the current perception of knowledge, attitude, and practices. Twenty recent articles were reviewed in the present study. It is crucial to comprehend the Knowledge, Attitude, and Practices (KAP) underlying young people’s eating habits to comprehend their viewpoints on food. It helps combat unhealthy eating and decreases the ratio of many diseases due to an unhealthy body. Adolescent obesity can be avoided by encouraging good eating habits; families may play a big part.