To prevent liquid from flowing to the outside from a spout part when a container falls down on a table, etc., at the time of not pouring, and to prevent insects from entering into the spout part at the time of not pouring.

It is so constituted that a lid body 2 comprises an engaging hole 21a piercing through upward and downward, a valve seat 3a in communication with the engaging hole 21a and a mouth closing part 7 that closes the spout end 4a of the spout part 4, while the spout part 4 comprises a valve body part 3b adapted to become a valve part 3 by contacting with the valve seat 3a, and a cylindrical part 41 at the spout starting side engaged movably with the engaging hole 21a in communication with the valve body part 3b and a cylindrical part 42 at the spout ending side in communication with the cylindrical part 41 through the medium of a bent part, and a spring 5 is provided so that the spout part 4 is biased so as to close the valve part 3.