The invention provides a multifunctional novel desk and aims to overcome the defects that the existing desks are single in function and inconvenient to use, and the desk top is untidy. A small detachable desk top is set on the desk top of the desk through a support. A rectangular box with openings on two sides is mounted on the small desk top. A book end which can contract freely is mounted inside the box. A circular ring for fixing a cup is mounted outside the box. By the structure, books, stationary and the like can be placed inside the rectangular box, the cup can be placed outside the box, the whole small desk top can be retracted when not used, use convenience is achieved, and a tidy and clean learning environment is created for students.