A medical connection head is disposed at a main body of a nutrient container so that the inside and the outside of the main body communicate through medical connection head 13. It further includes connection head main body 22 including through hole 21d, side wall 18 disposed at the main body of the container and connection part 21 which keeps the connection status of a connector membrane 16 disposed at the main body of the connection head and on the extended line of the through hole in the main body of the container when the medical connection head is fixed at the main body of the container to block the liquid in the container from flowing out bridge 19a connected to the main body of the connection head which can be broken or deformed communication component 19 having a part inserted in through hole 21d and coupled to the main body of the connection head through the bridge. The communication component includes an inserting part configured to press the communication component to the main body side of the container in order to break or deform the bridge and break the membrane, and flow channels configured to receive the nutrient contained in the main body of the container for flowing out from the container.
