Oven integrated with functions of frying, roasting and smoking

An oven integrated with functions of frying, roasting and smoking, comprising:

• a lower oven body and an upper oven body;
• wherein,
• the lower oven body comprises a lower oven base, a roasting cavity is formed on a side wall of the lower oven base, a load grid is arranged in the roasting cavity, a smoking box and a water basin are arranged in the roasting cavity, a first heating component is provided on the lower oven base, the first heating component is configured for heating the smoking box to produce smoke and for heating the water basin, and a cover plate for closing the roasting cavity is hinged with the lower oven base;
• the upper oven body comprises an upper oven base arranged on the lower oven base, a frying pan is provided on the upper oven base, a grill is detachably arranged on the frying pan, a second heating component is provided on the upper oven base, and the second heating component is configured for heating the frying pan.