To carry out respective treatments of liquid discharge, cleaning and drying without stopping the flow of a line, reduce the number of receipts and transfers of containers to the minimum and secure the reliability in carrying.

An after-treatment device 1 is used for carrying out respective treatments of liquid discharge, cleaning and drying for containers 8 after the emission in a chemical liquid. In that case, the containers 8 after the emission in the chemical liquid are received successively on the given receiving positions A by the intermittent operation, and during the intermittent operation, the containers are transferred rapidly, and the device is provided with a conveyor means 2 for classifying the containers 8 into a plurality of groups and transferring respective container groups to different treatment positions C1 and C2 and a plurality of treatment means 31, 32a, 32b and 32c provided on respective treatment positions C1 and C2 and receiving the container groups from the conveyor means 2 on respective treatment positions C1 and C2, inserting nozzles into respective containers 8, jetting different kinds of fluid and carrying out different treatments on respective different treatment positions.