The invention belongs to the technical field of office supplies, and particularly provides a notebook. The notebook comprises a notebook body (1), wherein a storage bin (2) for storage of small office supplies such as a pen, an eraser, a USB flash drive and the like is arranged in the book back portion of the notebook. An entrance for the stored supplies is arranged at the upper end of the storage bin (2). The storage bin (2) is further provided with a cover (3) which can cover the entrance. A groove is formed in the edge of the entrance of the storage bin (2). A protruding block is arranged on the cover (3), and the storage bin (2) and the cover (3) are in buckling connection through the groove and the protruding block. An electronic watch (4) and a battery bin (5) are further arranged on the storage bin (2). According to the invention, the small office supplies such as the pen, the USB flash drive, the eraser and the like can be stored in the storage bin. The small office supplies and the notebook can be conveniently stored together, and can be conveniently carried together so that the small office supplies cannot be easily lost. In addition, a user can conveniently keep track of time through the electronic watch on the storage bin.