a solution for forming a superconductive thin film prepared by dissolving a mol of a compound selected from group a consisting of alkoxides and alkoxyalkoxides of a rare earth metal element ; b mol of a compound selected from group b consisting of alkoxides and alkoxyalkoxides of ba , sr and ca ; and c mol of a compound selected from group c consisting of alkoxides and alkoxyalkoxides of cu in e liter of a compound selected from group e , a solvent selected from alcohols together with d mol of a compound selected from group d for inhibiting hydrolysis action such as an amine , a ketone and a glycol , such that the following relationships : 0 . 1 ×≦ d ≦ 3 × and 0 . 01 ≦/ e ]≦ 3 can be satisfied .