An electrical steel sheet adhesive coating composition, comprising an electrical steel sheet adhesive coating composition including a first component including water glass and an additive, and a solvent, wherein the water glass is one or a mixture of two or more of sodium silicate represented by Chemical Formula 2, potassium silicate represented by Chemical Formula 3, and lithium silicate represented by Chemical Formula 4, wherein the water glass includes a material represented by Chemical Formula 1 below, the additive is one among an oxide and a hydroxide of a material selected from copper, aluminum, calcium, magnesium, chromium, iron, zinc, zirconium, phosphorus, titanium, strontium, boron, antimony, tin, sodium, potassium, lithium, and nickel, or a mixture of two thereof, 80 to 99.9 wt% of the water glass and 0.1 to 20 wt% of the additive are included based on the total amount, 100 wt%, of the first component, 5 to 200 parts by weight of the solvent is included based on the total amount, 100 parts by weight, of the first component, and a specific gravity of the electrical steel sheet adhesive coating composition is 1.01 to 1.5 g/l, wherein the adhesive coating composition further includes 1 to 10 parts by weight of a second component based on the total amount, 100 parts by weight, of the first component, wherein the second component is a water-soluble resin, and the water-soluble resin is one or a mixture of two or more of epoxy-based, acryl-based, phenol-based, acryl-modified epoxy-based, siloxane polymer-based, styrene-based, polyol-based, vinyl-based, ethylene-based, and urethane-based resins: [Chemical Formula 1] M x O·n 1 SiO 2 ·m 1 H 2 O wherein, in Chemical Formula 1, M is a metal element selected from Na, K, and Li, x is an integer satisfying 0.1 ≤ x ≤ 5, n 1 is an integer satisfying 0.1 ≤ n 1 ≤ 15, and m 1 is an integer satisfying 1 ≤ m 1 ≤ 50, [Chemical Formula 2] Na 2 O· 2 SiO 2 ·m 2 H 2 O [Chemical Formula 3] K 2 O·n 3 SiO 2 ·m 3 H 2 O [Chemical Formula 4] Li 2 O·n 4 SiO 2 ·m 4 H 2 O wherein, in Chemical Formula 2, n 2 is an integer satisfying 0.1 ≤ n 2 ≤ 5 and m 2 is an integer satisfying 1 ≤ m 2 ≤ 50, in Chemical Formula 3, n 3 is an integer satisfying 0.1 ≤ n 3 ≤ 15 and m 3 is an integer satisfying 1 ≤ m 3 ≤ 50, and in Chemical Formula 4, n 4 is an integer satisfying 0.1 ≤ n 4 ≤ 50 and m 4 is an integer satisfying 1 ≤ m 4 ≤ 50, wherein a weight ratio of silicate (SiO 2) relative to sodium oxide (Na 2 O) in the sodium silicate is 1.5 to 4.0, wherein a weight ratio of silicate (SiO 2) relative to potassium oxide (K 2 O) in the potassium silicate is 1.5 to 3.0, wherein a weight ratio of silicate (SiO 2) relative to lithium oxide (Li 2 O) in the lithium silicate is 5.0 to 15.0. an electrical steel sheet adhesive coating composition including a first component including water glass and an additive, and a solvent, wherein the water glass is one or a mixture of two or more of sodium silicate represented by Chemical Formula 2, potassium silicate represented by Chemical Formula 3, and lithium silicate represented by Chemical Formula 4, wherein the water glass includes a material represented by Chemical Formula 1 below, the additive is one among an oxide and a hydroxide of a material selected from copper, aluminum, calcium, magnesium, chromium, iron, zinc, zirconium, phosphorus, titanium, strontium, boron, antimony, tin, sodium, potassium, lithium, and nickel, or a mixture of two thereof, 80 to 99.9 wt% of the water glass and 0.1 to 20 wt% of the additive are included based on the total amount, 100 wt%, of the first component, 5 to 200 parts by weight of the solvent is included based on the total amount, 100 parts by weight, of the first component, and a specific gravity of the electrical steel sheet adhesive coating composition is 1.01 to 1.5 g/l, wherein the adhesive coating composition further includes 1 to 10 parts by weight of a second component based on the total amount, 100 parts by weight, of the first component, wherein the second component is a water-soluble resin, and the water-soluble resin is one or a mixture of two or more of epoxy-based, acryl-based, phenol-based, acryl-modified epoxy-based, siloxane polymer-based, styrene-based, polyol-based, vinyl-based, ethylene-based, and urethane-based resins: [Chemical Formula 1] M x O·n 1 SiO 2 ·m 1 H 2 O wherein, in Chemical Formula 1, M is a metal element selected from Na, K, and Li, x is an integer satisfying 0.1 ≤ x ≤ 5, n 1 is an integer satisfying 0.1 ≤ n 1 ≤ 15, and m 1 is an integer satisfying 1 ≤ m 1 ≤ 50, [Chemical Formula 2] Na 2 O· 2 SiO 2 ·m 2 H 2 O [Chemical Formula 3] K 2 O·n 3 SiO 2 ·m 3 H 2 O [Chemical Formula 4] Li 2 O·n 4 SiO 2 ·m 4 H 2 O wherein, in Chemical Formula 2, n 2 is an integer satisfying 0.1 ≤ n 2 ≤ 5 and m 2 is an integer satisfying 1 ≤ m 2 ≤ 50, in Chemical Formula 3, n 3 is an integer satisfying 0.1 ≤ n 3 ≤ 15 and m 3 is an integer satisfying 1 ≤ m 3 ≤ 50, and in Chemical Formula 4, n 4 is an integer satisfying 0.1 ≤ n 4 ≤ 50 and m 4 is an integer satisfying 1 ≤ m 4 ≤ 50, wherein a weight ratio of silicate (SiO 2) relative to sodium oxide (Na 2 O) in the sodium silicate is 1.5 to 4.0, wherein a weight ratio of silicate (SiO 2) relative to potassium oxide (K 2 O) in the potassium silicate is 1.5 to 3.0, wherein a weight ratio of silicate (SiO 2) relative to lithium oxide (Li 2 O) in the lithium silicate is 5.0 to 15.0.