Abstract: The present invention provides a surf board, comprising a body, and a bottom board layer and a protective layer which are respectively arranged at the two sides of the body; the body comprises a first fiber glass fiber layer arranged on the bottom board layer, an inner core arranged on the first fiber glass layer and a second fiber glass layer arranged on the inner core and connected with the protective layer; the second fiber glass layer is provided with two layers. In the present invention, the bottom board layer is arranged at the lower end of the body, so that the bottom of surf board is firmer. The protective layer is arranged at the upper end of the body, so that the surface of the surf board is protected and is prevented from being damaged due to strong water pressure when the surf board is used.