生地和熟地可以一起煮，具有清热解毒的功效。
生地，又名生地黄，为玄参科植物地黄或怀庆地黄的根；性寒味甘、苦；归心、肝肺经，具有清热凉血的功效。
熟地，又名熟地黄，为玄参科植物地黄或怀庆地黄的根；性微温，味甘；归肝、肾经，具有补血生津、滋肾养肝等功效。
以下是生熟地煮排骨的方法：
准备材料：排骨1斤，生地适量，熟地适量，黑豆适量，姜片3片，枸杞子10颗，水适量，盐适量
1、准备好生地适量、熟地适量、黑豆适量、枸杞子适量备用。
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2、将黑豆和生地、熟地分别放在碗中加水浸泡。
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3、将1斤排骨放入锅中飞水，然后冲洗干净沥干后备用。
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4、准备足够的水，将生地、熟地、黑豆、姜片和排骨倒入，大火煲开转小火1.5小时。
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5、出锅前放入枸杞和适量盐，装盘后就可以享用美味的生熟地排骨汤了。
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参考资料来源：/baike.baidu.com/item/%E7%94%9F%E7%86%9F%E5%9C%B0%E9%BE%99%E9%AA%A8%E6%B1%A4/1501056?fr=aladdintarget=_blanktitle=百度百科-生熟地龙骨汤>百度百科-生熟地龙骨汤
生地的作用是清热凉血、养阴生津，熟地的作用是养血滋阴、补精益髓。原则上可以一起用，只要对症。