Abstract：To discussed and analyzed the therapeutic characteristics of pediatric surgery by XUE Ji through the study of Baoying Cuoyao. It is concluded that XUE was expert in applying acupuncture to pediatric surgery. He believed that acupuncture manipulation should vary according to the exterior and interior， and deficiency and excess of meridian and collateral，as well as the thickness of muscle in the affected area. XUE was brave to break through the traditional treatment mode；he was skilled in indirect moxibustion，using the effect of herbal medicine and fire to disperse cold，activate blood， resolve stasis，unblock the meridian and collateral，and draw out toxin. He advocated the idea of treating infantile diseases through the mother and treating the infant and the mother simultaneously，and promoted the administration method through breast milk. In terms of treatment，he firstly focused on viscera and bowels，and insisted on seeking the root of diseases. Based on the five viscera，especially the spleen and the kidney，XUE paid attention to warm tonification，and was cautious about using cold and cool therapy. Meanwhile，he valued visceral syndrome differentiation and symptomatic treatment. His characteristics of surgical treatment has important guiding significance for all clinical departments， and is worthy of further study.