The invention discloses a nata de coco buckwheat tea beverage, which is prepared from the following raw materials by weight part: 80-90 of buckwheat kernel, 2-3 of highland barley powder, 6-8 of smoked plum bean, 5-6 of nata de coco, 8-9 of Agrocybe aegirit rod, 4-6 of sugarcane leaves, 1-2 of Curcuma aromatica, 6-7 of condensed milk, 0.6-0.8 of artemisia capillaris, 1-2 of yacon leaves, 7-8 of soft sugar, 6-8 of broccoli, 4-6 of jujube paste, 10-11 of mulberry juice, 3-4 of freshwater mussel meat, 1-2 of tomato, 1-2 of aniseed, 5-7 of yellow peach, 6-8 of watercress, 7-9 of grapefruit, 11-12 of an assistant and a proper amount of water. According to the invention, the buckwheat kernel is mixed with powder, fruit juice and vegetable juice, so that the tea beverage has a fresh taste and is rich in a variety of vitamins. In addition, the freshwater mussel meat and Chinese medicine extracted liquid are adopted as raw materials, thus adding nutrients. With the efficacy of clearing away heart-fire, dispelling melancholy and cooling blood, the tea beverage has good health maintenance performance and high nutritional value, and is beneficial to human health.