According to the present invention, provided is a smartphone case which includes a first and second flap part combined to be folded and fastened in order to be folded reciprocally or spread; and a case body combined with the inner side of the first flap part and in which the holding space is formed to store the smartphone inside. The smartphone case according to the present invention has a function of protecting the smartphone from the external shock, and has the advantage of providing the convenience for the user by a pocket because a user does not need to carry the wallet and smartphone separately when going out.
