To place the drinking water or the canned food in a structure capable of easily cultivating the plant such as flowers or vegetables in the stage to manufacture the canned product including the canned drinking water and the canned food.

A ring 2 for an opening a port for a canned product such as the canned food is provided in a bottom lid of a canned drinking water, and a ring 2 for an hole for the canned drinking water is provided in the bottom lid of the canned product such as the canned food. The ring 2 for the opening port and the ring 3 for opening a hole are provided in both an upper lid 1 and bottom lids 6, 7 of the canned product, Soil is placed in an empty can from the opening side, and the plant such as vegetables and flowers grows.