You don’t need a special trademark to open a franchise store on Pinduoduo to sell books, but you’d better obtain the relevant licenses and business licenses for book sales offline, then you can open a franchise store on Pinduoduo to sell books. Since it is called a franchise store, you must specialize in selling a certain type of books, such as children’s books or exam books. You don’t need a special trademark, as long as you can provide a business license and relevant licenses for book sales.