Practice: wash the ribs, chop them, blanch them in boiling water for a while, remove them, rinse them with clear water, and drain them for later use; Wash chicken feet, blanch them in boiling water for a while, take out toenails and rinse them with clean water; Wash all the medicinal materials with clear water and drain the water for later use; 1800ml water into the soup pot. After the water is boiled, all the ingredients are put in. Bring the fire to a boil, turn it down, cook for another two hours, and season with salt.