There are no taboos. After the ribs were stewed, most of the soluble calcium, phosphorus, sodium and potassium overflowed into the soup. Calcium and magnesium are easy to be analyzed under acidic conditions, and calcium acetate is produced after encountering acetic acid, which can be better absorbed and utilized by human body. Therefore, sweet and sour pork ribs can improve the nutritional absorption rate of boiled pork ribs, which is very suitable for the elderly and children to supplement calcium. Spareribs: Pork is rich in high-quality protein and essential fatty acids, and provides heme (organic iron) and cysteine to promote iron absorption and improve iron deficiency anemia; Has the effects of tonifying kidney, nourishing blood, nourishing yin and moistening dryness; However, due to the high cholesterol content in pork, obese people and hyperlipidemia people should not eat more.