Paracetamol oral liquid and preparation method thereof

The invention belongs to the field of a liquid preparation for pharmacy application and discloses paracetamol oral liquid and a preparation method thereof. The paracetamol oral liquid comprises the following components: paracetamol, a suspending agent, a cosolvent, a preservative and a wetting agent. The paracetamol oral liquid also comprises the following components: a sweetening agent, a flavoring agent, a pigment, a covering agent and a pH modifier, for the sake of better taste and stability. The preparation method of the paracetamol oral liquid comprises the following steps: mixing and evenly dispersing the paracetamol and the cosolvent; evenly mixing with a water solution of other components, adjusting the pH value; finally adding the covering agent and the preservative and evenly mixing, so as to obtain the paracetamol oral liquid. The paracetamol oral liquid disclosed by the invention has good stability, and the problems of high viscosity and agglomeration after common oral liquid is placed for a long period of time are solved.