A method for manufacturing a capsule, said method comprising: preparing a mixture by mixing an aqueous solution of a hydrophilic high-molecular gelling agent, said aqueous solution containing at least one member selected from the group consisting of carrageenan, agar, sodium alginate and gellan gum, with an amphiphilic substance compatible with oil and water； adding a cation to the mixture； and removing the amphiphilic substance therefrom.
