The invention relates to a preparation method of yoghourt containing special-flavor vegetable particles. The preparation method comprises the specific operation steps of (1) preparing a vegetable base material, namely mixing the vegetable particles, dextrin and water to form a mixed liquid, preparing a dextrin-embedded vegetable particle liquid by virtue of a colloid mill, mixing agar, pectin, white granulated sugar and water to form an additive solution, homogenizing the vegetable particle liquid and the additive solution to obtain a material liquid, and regulating the pH value of the material liquid by citric acid so as to obtain the vegetable base material; (2) preparing the vegetable particle yoghourt, namely uniformly mixing a yoghourt base material with the vegetable base material so as to obtain the yoghourt containing the special-flavor vegetable particles, wherein the yoghourt is free of whey separation and sediment within 20 days under a low-temperature preserve condition of 0-4 DEG C, and the flavor and the color of the yoghourt cannot be unacceptably changed. According to the preparation method, the special fragrant-sweet aroma of the yoghourt is utilized for covering up the special smells of the vegetable particles without damaging the beneficial components of the vegetable particles by an embedding technique, and the vegetables with bitterness or other special smells can be easily accepted by people.