A supinely reading stand which barely blocks the text of the book, barely interferes with the sight of the eyes, and is more simply constructed, easy in assembly and lower-cost. The supinely reading stand comprises a book-supporting structure. The book-supporting structure comprises a four-sided frame and at least one tension-resistant thin line distributed in the inner area of the four-sided frame. The four-sided frame includes first opposite sides and second opposite sides. The tension-resistant thin line(s) is/are connected to the first opposite sides of the four-sided frame in tension state.