The purpose of the invention is to provide a making method of a beverage. The beverage can inhibit decomposition of bisacumol, stably contains bisacumol, and maintains the bisacumol generation effect for a long time. The making method of the beverage allows the beverage to contain bisacumol, and the pH value of the beverage to be greater than 2.9. The invention also provides the beverage stably containing the useful components in Rhizoma curcumae longae.