This invention creates a thermal moxibustion expansion pad structure, which includes: an expansion pad body and a filter screen. The expansion pad body includes a connecting part and a cover connected to the lower end of the connecting part. The cover is a small upper part and a larger lower part. The hollow body is provided with an enlarged opening at the lower end, and a plurality of ventilation holes are arranged around the outer side surface. The filter is arranged at the perforation of the enlarged pad body, and a plurality of small holes are arranged on it； thereby, the scope of Bida moxibustion treatment is large. It can easily align the acupoints of the human body, improving the convenience of use and the effect of moxibustion.本創作一種熱灸擴大墊結構，包含：一擴大墊本體及一過濾網，該擴大墊本體包括有一連接部及一與該連接部下端相接之罩蓋，該罩蓋為上小下大之中空體，下端設置一擴大開口，外側面周圍設有複數透氣孔，該過濾網設置於該擴大墊本體之穿孔處，其上佈列複數細小的孔洞；藉此，俾達灸療範圍大，可簡易對正人體穴位，使用方便性及灸療效果提升。
