The present invention relates to compound paracetamol vitamin C disperser tablet and its preparation method. It is formed from paracetamol, vitamin C, disintegrant, filling agent, correctives, adhesive and lubricating agent according to the ratio of 200-400:200-400:1-60:1-100:1-60:2-50:1-10. The disintegrant is carboxy methyl starch sodium, hydroxypropyl starch, low-substituted hydroxypropyl cellulose, calcium cellulose glycollate, cross-linked sodium cellulose glycollate, sodium lauryl sulfate, and the filling agent is lactose, mannitol, sorbyl alcohol, starch, modified starch, beta-dextrin, calcium sulfate dihydrate, microcrystal cellulose, and the corrective is wintergreen oil, peperitol, aspatan, citric acid, cane sugar, sterioside, the adhesive is polyvidone, hydroxypropyl cellulose, gelling starch and ethyl cellulose, and the lubricating agent is magnesium stearate, calcium stearate, polyglycol 6000 and talcum powder.