桐油，火纸、柚子皮^?［热烫法
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把柚子皮对半破开
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用黄火纸沾上桐油在火上烘热
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将柚子皮在火上烘烫，能承受得了的高温
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将沾有桐油并烘烫了的炎纸盖在膝关节，之后把高温的柚子皮盖在上面。
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两半柚子皮交替多烘几次热敷，无论你关节炎多严重，一个疗程下来，基本就会好了，而且不会复发。
此热敷法为民间流传，仅少数人会，幼时我奶奶便是此法高手。
