Kiến Thức Ăn Chay is an informational website focused on vegetarian food, eating practices, and dining in Vietnam and abroad. It helps readers explore vegetarianism through practical guides, recipe ideas, health-related articles, and recommendations for places to eat. Its content covers topics such as the meaning and customs of vegetarian eating, periodic vegetarian diets, and the Ohsawa macrobiotic approach, alongside guidance on ingredients and food choices.

The site also shares recipes for a range of meat-free dishes, including stir-fried noodles, tofu meals, plant-based versions of familiar dishes, and other home-cooking ideas. For readers looking to dine out, it publishes lists and overviews of vegetarian restaurants in locations across Vietnam, including Ho Chi Minh City, Da Nang, and other provinces. Additional sections cover vegetarian food around the world, vegetarian news, general health guides, and frequently asked questions. Kiến Thức Ăn Chay serves as a resource for people seeking information, inspiration, or restaurant suggestions as they learn about or practice vegetarian eating.