The article highlights the benefits and the popularity of rau mac, also known as purslane, a wild vegetable commonly found in Vietnam and China. This plant can grow robustly without the need for fertilization and is easy to find, especially near rivers. It is used for both culinary purposes and in traditional medicine, with various parts of the plant utilized for a range of health issues. In China, purslane is highly valued and can cost over 20 NDT (65,800 VND) per kilogram. In Vietnam, the price is approximately 70,000 VND (around 3 USD) per kilogram, making it a valuable crop for both food and medicinal markets.