The present invention relates to an eco-friendly structure capable of reducing strong wind pressure and a method for manufacturing the structure and, more specifically, to an eco-friendly structure capable of reducing strong wind pressure and storing rainwater and a method for manufacturing the structure, wherein: the structure is installed in order to protect various structures being used in farming and fishing villages, and fruit trees, temporary buildings or vehicles on a road, or rail and port facilities, in case of the occurrence of a typhoon or strong wind pressure; hexagonal blocks are manufactured using waste concrete (stone) and waste plastic, which are construction and industrial waste; and a plurality of the manufactured hexagonal blocks are vertically and horizontally stacked in one or two rows in order to protect from a typhoon and strong wind pressure. The present invention is molded using waste concrete (stone) or waste plastic and comprises: a pair of hexagonal blocks (100a) having a plurality of fixing grooves (110) formed on one surface thereof and facing each other with a predetermined distance therebetween or one hexagonal block (100b); a plurality of connection bars (111) which have both ends thereof fixed to or penetrating the fixing grooves (110) of the pair of hexagonal blocks (100a) and are fixed by means of a fixing pin (180); and a rainwater pack (200) which is positioned between the pair of hexagonal blocks (100a), has a plurality of hooking portions (210, in the shape of a ring or hook) formed in the corners thereof, the hooking portions being coupled to the connection bars (111), and is provided to store rainwater therein.