1. Peel and cut bamboo cane into sections.
2. Cut in the middle and divide into four.
3. Pork spine bones are blanched and decontaminated.
4. In addition to apples, put all the ingredients in the pressure cooker.
5. Heat and press for 40 minutes.
6. Peel the apples.
7. Cut into 8 pieces, to heart.
8. Exhaust, open the lid, and add apples.
9. Cover the pot and heat for 15 minutes, add salt to taste.
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