1. Wash and peel the lotus root, cut off the pedicle and slice it for later use.

2. Wash the pig's trotters, and use them after water.

3. Boil a proper amount of water, add pig's trotters, red dates (without core), red beans, dried tangerine peel and lotus roots, and cook on high fire for 10 minute, then turn to low heat and simmer for 3 hours.