A powdery thixotropy-imparting agent for a non-aqueous paint comprising: an amide compound (A) in which a primary diamine having 2-8 carbon atoms, and a hydrogenated castor oil fatty acid and/or an aliphatic monocarboxylic acid having 4-18 carbon atoms, are condensed, a non-amide wax component (B), which is selected from the group consisting of a microcrystalline wax, hydrogenated castor oil and a polyolefin wax, has at least 70 °C of a softening point and an acid value of 10 or less, and a polymer (C) having a polar functional group selected from the group consisting of a hydroxyl group, a carboxyl group or an amino group, and a substituent having any ones of them, which is selected from the group consisting of oxidated poly olefine, polyol, polyether, poly-carboxylic acid, polyamine, polyester, polyphosphoric acid, and polysulfonic acid. and has 1,000-1 00,000 of weight average molecular weight based on polystyrene conversion, and the powdery thixotropy-imparting agent for imparting thickening properties and/or liquid dripping prevention properties, and thixotropic properties and wherein the amide compound (A) is 1-95 % by mass, the non-amide wax component (B) is 1-95 % by mass and the polymer (C) having the polar functional group is 0.1-10% by mass, all which are based on mass by the sum of the amide compound (A), the non-amide wax component (B) and the polymer (C) having the polar functional group, and the mixture of the amide compound (A), the non-amide wax component (B) and the polymer (C) having the polar functional group, has an acid value of 30 or less and an amine value of 20 or less. an amide compound (A) in which a primary diamine having 2-8 carbon atoms, and a hydrogenated castor oil fatty acid and/or an aliphatic monocarboxylic acid having 4-18 carbon atoms, are condensed, a non-amide wax component (B), which is selected from the group consisting of a microcrystalline wax, hydrogenated castor oil and a polyolefin wax, has at least 70 °C of a softening point and an acid value of 10 or less, and a polymer (C) having a polar functional group selected from the group consisting of a hydroxyl group, a carboxyl group or an amino group, and a substituent having any ones of them, which is selected from the group consisting of oxidated poly olefine, polyol, polyether, poly-carboxylic acid, polyamine, polyester, polyphosphoric acid, and polysulfonic acid. and has 1,000-1 00,000 of weight average molecular weight based on polystyrene conversion, and the powdery thixotropy-imparting agent for imparting thickening properties and/or liquid dripping prevention properties, and thixotropic properties and wherein the amide compound (A) is 1-95 % by mass, the non-amide wax component (B) is 1-95 % by mass and the polymer (C) having the polar functional group is 0.1-10% by mass, all which are based on mass by the sum of the amide compound (A), the non-amide wax component (B) and the polymer (C) having the polar functional group, and the mixture of the amide compound (A), the non-amide wax component (B) and the polymer (C) having the polar functional group, has an acid value of 30 or less and an amine value of 20 or less. the powdery thixotropy-imparting agent for imparting thickening properties and/or liquid dripping prevention properties, and thixotropic properties and wherein the amide compound (A) is 1-95 % by mass, the non-amide wax component (B) is 1-95 % by mass and the polymer (C) having the polar functional group is 0.1-10% by mass, all which are based on mass by the sum of the amide compound (A), the non-amide wax component (B) and the polymer (C) having the polar functional group, and the mixture of the amide compound (A), the non-amide wax component (B) and the polymer (C) having the polar functional group, has an acid value of 30 or less and an amine value of 20 or less. <EOS>