PROBLEM TO BE SOLVED: To provide an infusion container capable of improving infusion and discharge properties of an infusion solution.SOLUTION: An infusion container 1 comprises: a cylindrical container body 2 for containing an infusion solution and first and second mutually opposite openings 3 and 4 formed in the container body 2. The container body 2 comprises: a trunk 5 having a flat cross section a first shoulder 6 formed from the trunk 5 to the first opening 3 and a second shoulder 7 formed from the trunk 5 to the second opening 4. The trunk 5 comprises two mutually opposite curving portions 11 and two side walls 12 mutually opposite in parallel. The dimension D1 between the apexes of the curving portions 11 and the dimension D2 between the side walls 12 satisfy a relational expression of 1.4
