The invention discloses a health-care beverage containing purslane. The beverage components are: 10-20% purslane plant extract, 0-0.025% sucrose, 0-0.03% acesulfame potassium, and maltose in weight percent Alcohol 0-10%, erythritol 0-10%, the balance is water. Wherein, the purslane plant extract is prepared by extracting the raw material of purslane with water, and the amount of water used is 5-10 times of the weight of the raw material of purslane. This health drink has broad-spectrum antibacterial, heat-clearing and detoxifying, liver-clearing and gallbladder-clearing, cooling blood and anti-inflammation, can prevent and treat summer heat, and has the effects of lowering fat, blood sugar, and blood pressure, and can prevent fatty liver, diabetes, high blood pressure, and coronary heart disease. It can be taken as a health product for a long time, and it can also prevent and fight cancer and prolong life.