A method for producing a rubber-filler master batch which comprises mixing a rubber solution obtained by dissolving a diene-based rubber in an organic solvent into a slurry obtained by dispersing in water, in advance, carbon black, silica and/or at least one inorganic filler represented by the following general formula (I): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒnM 1 ·xSiO y ·zH 2 O€ƒ€ƒ€ƒ€ƒ€ƒ(I) [wherein M 1 represents at least one selected from the group consisting of metals which are aluminum, magnesium, titanium, calcium and zirconium, oxides and hydroxides of the metals, hydrates thereof and carbonates of the metals, and n, x, y and z respectively represent an integer of 1 to 5, an integer of 0 to 10, an integer of 2 to 5 and an integer of 0 to 10.]