PROBLEM TO BE SOLVED: To provide a method for producing a mixed latex obtained by mixing a pigment and a latex in which a mixed latex is produced by a first step for formation of a base and a second step for final treatment and the mixed latex produced can be used as a paint.SOLUTION: There is provided a method for producing a mixed latex obtained by mixing a pigment for coloration with a latex for forming a film, which comprises a first step for formation of a base and a second step for final treatment, wherein in the first step, a predetermined amount of a latex is added in a stirring kettle, and water, a vulcanization accelerator, a stabilizer and a pH adjusting agent are added to the latex and an ammonia odor is removed while stirring for a first predetermined time in the stirring kettle to produce a base latex and in the second step after the first step, the pigment for coloration, a perfume, a thickener and an antiaging agent are added to the base latex in the stirring kettle, followed by stirring for a second predetermined time in the stirring kettle to produce a mixed latex.SELECTED DRAWING: Figure 1