An air fryer having broiling and baking functions, comprising: a cooking cavity, located in the air fryer, wherein a hot air frying system consisting of a heat circulation fan and a heating device is mounted in an upper part of the cooking cavity, a heating plate, provided at a bottom of the cooking cavity; and a frying basket assembly, provided in the cooking cavity, wherein the frying basket assembly comprises a frying basket body and a broiling board provided at a bottom of the frying basket body, and the broiling board is heated by the heating plate, wherein the bottom of the frying basket body is provided with a hollowed-out opening, the broiling board is detachably fixed at the bottom of the frying basket body and covers the hollowed-out opening, and the broiling board is provided with several flow guide convex ribs, wherein an upwardly extending enclosing portion is provided at the hollowed-out opening at the bottom of the frying basket body, so that a circle of groove is formed around the bottom of the frying basket body, and an edge of the broiling board extends to be located above the groove, characterized in that several elastic sheets are mounted at a lower side of the broiling board, and the elastic sheets are cooperatively snapped with a crimped portion at a top of the enclosing portion, wherein several notches are provided in a lower part of the broiling board, and the elastic sheets are provided in the notches and each have one end connected fixedly to the broiling board via a fastener, wherein each of the elastic sheets is provided with a downwardly extending hand operating portion, a limiting protrusion is provided in an upper part of the hand operating portion, the crimped portion is snapped on an upper side of the limiting protrusion, and a lower end of the hand operating portion is deformed by stress to disengage the crimped portion from the limiting protrusion. a cooking cavity, located in the air fryer, wherein a hot air frying system consisting of a heat circulation fan and a heating device is mounted in an upper part of the cooking cavity, a heating plate, provided at a bottom of the cooking cavity; and a frying basket assembly, provided in the cooking cavity, wherein the frying basket assembly comprises a frying basket body and a broiling board provided at a bottom of the frying basket body, and the broiling board is heated by the heating plate, wherein the bottom of the frying basket body is provided with a hollowed-out opening, the broiling board is detachably fixed at the bottom of the frying basket body and covers the hollowed-out opening, and the broiling board is provided with several flow guide convex ribs, wherein an upwardly extending enclosing portion is provided at the hollowed-out opening at the bottom of the frying basket body, so that a circle of groove is formed around the bottom of the frying basket body, and an edge of the broiling board extends to be located above the groove, characterized in that several elastic sheets are mounted at a lower side of the broiling board, and the elastic sheets are cooperatively snapped with a crimped portion at a top of the enclosing portion, wherein several notches are provided in a lower part of the broiling board, and the elastic sheets are provided in the notches and each have one end connected fixedly to the broiling board via a fastener, wherein each of the elastic sheets is provided with a downwardly extending hand operating portion, a limiting protrusion is provided in an upper part of the hand operating portion, the crimped portion is snapped on an upper side of the limiting protrusion, and a lower end of the hand operating portion is deformed by stress to disengage the crimped portion from the limiting protrusion.