Fecha de publicación: 11/01/2019 Fuente: WIPO "royal jelly" The invention relates to the technical field of health products, in particular to a pretreatment method of royal jelly and a preparation method of a royal jelly essence oral liquid. The pretreatment method of the royal jelly is as follows: taking royal jelly, conducting grinding and filtering to obtain royal jelly emulsion, adding citric acid and benzyl alcohol to the royal jelly emulsion, conducting uniform mixing, and conducting standing refrigeration at 0-5 DEG C. The pretreatment method can promote the synergistic effect of the citric acid and the benzyl alcohol, enhance the hydration of the royal jelly, eliminate the sedimentation of the royal jelly, promote the dissolution of royal jelly acid, improve the content and stability of royal jelly acid in the product, and improve the quality of the product.