PROBLEM TO BE SOLVED: To provide a method for producing hybrid core laminate lumber where water resistance, dimensional stability, flexural strength, elastic modulus and the like are improved.SOLUTION: A method for producing hybrid woody core laminate lumber comprises the steps of: producing a laminated board having predetermined length and width via the bonding of a length so as to become a predetermined length by being bonded with an adhesive in a length direction of a dried lamina or the bonding of a side surface so as to become a predetermined width by being bonded in a width direction after making the lamina by lumbering raw wood to have predetermined length and width and drying the made lamina so as to have a predetermined moisture content; preparing a core layer including one plywood made by bonding a laminate laminated by an odd number of 3 or more so as to cross the fiber directions of a plurality of veneers with the adhesive; and bonding the laminated boards made at the upper and lower sides of the