A working machine comprising: a machine body ; an operator's seat mounted on the machine body ; an operation base disposed on a lateral side of the operator's seat ; a protection unit accommodating the operator's seat including a seat board portion and a backrest portion , and the operation base ; a printed matter ; and a storage structure configured to store printed matter ,and provided between the protection unit and the operation base , and an operation lever disposed on the operation base to operate a working device provided on the machine body , the working machine characterized in that it further comprises: a string of flexible material connecting between the printed matter and the protection unit , wherein the storage structure is disposed rearward from the operation lever , and configured to allow the printed matter stored therein to position the printed matter forward from the backrest portion with respect to the machine body , wherein the storage structure is configured to allow the printed matter stored therein to be slanted so that an upper portion of the printed matter is positioned rearward than a lower portion thereof, and to allow the printed matter stored therein to position an upper portion of the printed matter above an upper face of the operation base , and wherein the string has one end connected to the printed matter and the other end connected to a position of the protection unit above the storage structure . a machine body ; an operator's seat mounted on the machine body ; an operation base disposed on a lateral side of the operator's seat ; a protection unit accommodating the operator's seat including a seat board portion and a backrest portion , and the operation base ; a printed matter ; and a storage structure configured to store printed matter ,and provided between the protection unit and the operation base , and an operation lever disposed on the operation base to operate a working device provided on the machine body , the working machine characterized in that it further comprises: a string of flexible material connecting between the printed matter and the protection unit , wherein the storage structure is disposed rearward from the operation lever , and configured to allow the printed matter stored therein to position the printed matter forward from the backrest portion with respect to the machine body , wherein the storage structure is configured to allow the printed matter stored therein to be slanted so that an upper portion of the printed matter is positioned rearward than a lower portion thereof, and to allow the printed matter stored therein to position an upper portion of the printed matter above an upper face of the operation base , and wherein the string has one end connected to the printed matter and the other end connected to a position of the protection unit above the storage structure . a string of flexible material connecting between the printed matter and the protection unit , wherein the storage structure is disposed rearward from the operation lever , and configured to allow the printed matter stored therein to position the printed matter forward from the backrest portion with respect to the machine body , wherein the storage structure is configured to allow the printed matter stored therein to be slanted so that an upper portion of the printed matter is positioned rearward than a lower portion thereof, and to allow the printed matter stored therein to position an upper portion of the printed matter above an upper face of the operation base , and wherein the string has one end connected to the printed matter and the other end connected to a position of the protection unit above the storage structure . <EOS>