An application container (1) includes a container main body (2); an inner plug member (20); and an impregnation material (30). The inner plug member (20) includes an impregnation material accommodating portion (21), and a valve body accommodating portion (22) which includes a valve seat (22a) on an impregnation material accommodating portion (21) side and a valve body support portion (22b) on a container main body (2) side and in which a valve body (22c) is disposed so as to be movable between the valve seat (22a) and the valve body support portion (22b). A communication groove (50) which forms a gap between the valve body (22c) and the valve body accommodating portion (22) in a state where the valve body (22c) is supported by the valve body support portion (22b) is formed.