The image shows a page from a book or textbook, featuring a colorful illustration of a man in a blue shirt and tie, standing on a white background. The text on the page is written in Vietnamese, and it appears to be discussing something related to nutrition or health. The text is written in a clear, legible font, and there are some diagrams or illustrations accompanying the text. The overall theme of the page seems to be educational or informative, possibly related to health and nutrition.