夫瘡論紛紛．當(dāng)識淺深．辨之得法．規(guī)矩準(zhǔn)繩．如匠之工巧．豈能棄之爾．蓋瘡疽之舉有三．高而軟者發(fā)于血脈．腫下而堅(jiān)者發(fā)于筋骨．皮肉色不相辨者發(fā)于骨髓．又法候之以手按搖腫根牢而堅(jiān)大者深也．根小而浮者淺也．七惡少見者疽之深也．五善迭見者癰之淺也．大抵浮而淺者易治．深而堅(jiān)者難治．求瘥之法．豈能逃于是也．