High-frequency heating device

A hookah comprising a heating device, a heating cup for accommodating tobacco material, and a smoke filter;

• the heating device comprising a housing, a thermal insulation cup, a first thermal insulator, a second thermal insulator, and a magnetic induction coil;
• wherein:
• the housing has an L shape in a cross section, and comprises a first arm, and a second arm;
• the first arm comprises a first cavity, and the second arm comprises a second cavity;
• the magnetic induction coil and the heating cup are disposed in the first cavity;
• the thermal insulation cup is sleeved on the heating cup, and is disposed between the magnetic induction coil and the heating cup;
• each of the first thermal insulator and the second thermal insulator comprises an annular surface;
• the first thermal insulator and the second thermal insulator are disposed on two ends of the thermal insulation cup, respectively;
• the heating cup comprises glass and a metal conductor inlaid in the glass;
• and
• the smoke filter is directly connected with the heating cup.