The present invention relates to an aqueous composition for a hard capsule with an enhanced gelation ability and a hard capsule prepared by using the same. According to the present invention, an aqueous composition for a hard capsule having an excellent gelation ability may be provided by including a gelling agent and a gelling aid along with aqueous cellulose ether, alcohol, and water, and as a result, formability of the hard capsule may be improved, thereby providing a high-quality hard capsule. Further, since the alcohol enhances solubility of aqueous cellulose ether, stable gel power may be maintained with only a small amount of the gelling agent, and accordingly, a problem of reduction in the dissolution rate due to the gelling agent may be solved.本發明係關於一種具有增進膠凝化能力之用於硬膠囊之水性組合物以及使用其所製備而成之硬膠囊。依據本發明之內容,該用於硬膠囊並具有增進膠凝化能力之水性組合物係由於其包含膠凝劑及助凝劑,同時伴隨水性纖維素醚、醇以及水,使得其形成硬膠囊的能力提升,藉此提供具有高品質的硬膠囊。此外,由於醇提升了水性纖維素醚的溶解度,因此僅需少量的膠凝劑即可維持穩定的凝膠能力,藉此可解決由膠凝劑導致的溶解速率下降的問題。