1, people with kidney deficiency: people with kidney deficiency can't eat poria cocos, because poria cocos has diuretic effect, and people with kidney deficiency will urinate more. If you eat poria cocos again, it will increase the number of urination, thus aggravating the symptoms of kidney deficiency.

2, physically weak people: people who are weak can't eat poria cocos, because poria cocos is diuretic. If you eat too much, it will increase the number of urination, thus hurting the body.

3. Diabetes: Diabetic people can't eat more foods with high starch content, because the daily starch intake of diabetic people is strict, and the daily starch intake weight can't exceed half a catty, while the starch content of poria cocos is relatively high. Eating too much will easily affect blood sugar, which will lead to an increase in blood sugar value.