Stachyose effervescent tablet and preparation method thereof

The invention discloses a stachyose effervescent tablet and a preparation method thereof. The stachyose effervescent tablet is characterized by comprising the following constituents by weight: 5 to 15 percent of stachyose, 60 to 68 percent of a disintegrant, 15 to 20 percent of a sweetening agent, 2 to 4 percent of an adhesive, 2 to 5 percent of a lubricating agent, 0.55 to 1.1 percent of an algefacient, and 0.1 to 0.2 percent of essence. The preparation method comprises the following steps: mixing the stachyose, the disintegrant, the sweetening agent, the adhesive, the lubricating agent, the algefacient and the essence according to the ratio after screening the raw materials through a 80-mesh screen, performing forced air drying on the raw materials for 4 h, then screening the raw materials to perform granulating, feeding lactobacillus plantarum powder into the raw materials, performing tabletting in conditions that the relative humidity is 35 to 45 percent and the temperature is 15 to 20 DEG C, performing drying at 36 to 38 DEG C, and then obtaining the stachyose effervescent tablet finished products after package. The stachyose effervescent tablet has the advantages that the stachyose effervescent tablet not only is high in disintegration speed, but also contains stachyose prebiotics and lactobacillus plantarum probiotics, and the foaming capacity is 12 mL/g.