1. Women who have swollen eyes or feet or abdominal distension during menstruation are not suitable to eat red dates, otherwise the edema will be more serious; women with hot and dry constitutions are not suitable to eat yam, red dates and millet porridge during menstruation. Otherwise it will cause excessive menstrual flow.

2. Diabetic patients should not eat too much. Yams are rhizome foods with high starch content. If eaten in excess, they will not lower blood sugar, but will cause blood sugar to rise. In addition, red dates have relatively high sugar content. Therefore, people with diabetes should not eat more yam, red dates and millet porridge.

3. People with constipation should eat less yam, red dates and millet porridge. Yams are rich in starch. People who suffer from chest and abdominal distension, dry stools, and constipation should eat less of them until these symptoms are relieved before eating them again.