1, when fresh yam is cut, there will be mucus, which is easy to slide and hurt your hand. You can wash it with clean water and a little vinegar first, which can reduce mucus. Yam skin is easy to cause skin allergy, so it's best to peel it and don't touch your hands after cutting it. Wash your hands several times at once or soak your hands in diluted vinegar before cutting, so that your hands won't itch when cutting yam.

2. Because the starch content in yam is high, it is best for people with full chest and abdomen, dry stool and constipation to eat less yam millet porridge so as not to aggravate the condition; Yam is still a tonic, sweet and hot, so people who are hot and easy to get angry should also eat carefully.

3. Yam can not only nourish yin, tonify kidney, lower blood sugar, but also effectively treat diabetes. However, if you eat yam as food too much, it will lead to an increase in blood sugar and aggravate the condition of diabetes. Therefore, diabetic patients should eat yam millet porridge properly.

4. People with poor gastrointestinal tract should not take alkaline drugs such as baking soda tablets at the same time when eating yam, so as to avoid baking soda invalidating amylase in yam, so that yam millet porridge can not play a good role.