The invention belongs to the technical field of school supplies, and particularly relates to a multifunctional desk. The multifunctional desk comprises a desk body and further comprises a book fixing unit, a stationery containing unit and a sitting posture correcting unit which are arranged on the desk body. The book fixing unit and the stationery containing unit are telescopically arranged on the desk body, and the sitting posture correcting unit is arranged in the desk body. According to the multifunctional desk, various books can be flexibly fixed, various kinds of stationery can be contained, and the sitting posture of a user, especially a student, is corrected. The multifunctional desk has the advantages of being simple and effective in structure, flexible and adjustable in fixing and containing function, good in sitting posture correcting effect, economical and easy to popularize.