治心腹冷痛．风寒湿痹．附骨阴疽．凡在筋骨隐痛者．针之火气直达痛所甚效．神针火者．五月五日取东引桃枝削为木针．如鸡子长五六寸干之．干透．待用时以绵纸三五层衬于患处．将针醮麻油点着吹灭．乘热针之．