PROBLEM TO BE SOLVED: To provide a high frequency dielectric heating method, suppressing a local temperature rise difference between the inside of a heated object and the surface, with a removed air gap to enable heating the heated object uniformly in a short time.SOLUTION: In the high frequency dielectric heating method for heating a heated object by the disposition of the heated object M between mutually opposite electrodes, at least one electrode is made to be a deformable electrode 120, and by the variation of thickness, a heat transfer amount between heat transfer means 130 and a heated object M is adjusted.COPYRIGHT: (C)2013,JPO&INPIT【課題】エアギャップを排除し、均一に、かつ、短時間に被加熱物を加熱可能とするとともに、被加熱物の内部と表面の局所的な温度上昇の差を抑制する高周波誘電加熱方法を提供すること。【解決手段】対向にする電極の間に被加熱物Mを配置して加熱する高周波誘電加熱方法であって、少なくとも一方の電極を変形可能電極120とし、厚みを変化させることによって、伝熱手段130と被加熱物Mとの熱移動量を調整すること。【選択図】図1