The invention provides a formula and making method of tartarian buckwheat milk. Tartarian buckwheat juice obtained through processing tartarian buckwheat, performing residue removal and performing extraction is added and compounded with milk together, and the milk is divided into two kinds of formulas of a pop-top milk formula and a Tetra Pak pack milk formula. The problem of combining the tartarian buckwheat with the milk is solved. A milk beverage which is compounded from the tartarian buckwheat and the milk is made for the first time in the market, so that the milk is rich in mouth feel andgood in taste; on one hand, rich minerals and rich protein of the milk are maintained, and besides, calcium absorption is facilitated; on the other hand, the tartarian buckwheat is also added, can benefit qi and force, benefit ears and eyes, enable qi to flow downwards, ease the intestines, invigorate the stomach, improve body conditions, reduce the attack rate of high blood sugar, high blood pressure and high blood lipid and prevent and treat diabetes, and has definite effects of resisting oxidation, resisting ageing and resisting cancer, so that the tartarian buckwheat milk is suitable forpeople of all ages and both sexes to drink; and besides, the whole making technological process is simple, the production efficiency is high, the making cost is low, and batch production can be realized.