The people who can’t eat walnuts are as follows: 1, people with Yin deficiency fire, such as frequent sore throats, mouth ulcers, red eyes. If you eat too many walnuts, it will further aggravate the symptoms of yin deficiency and fire. 2, people with loose stools can not eat walnuts, because from the perspective of Chinese medicine, walnuts have a very good laxative effect, if people who already have diarrhea eat walnuts, it is likely to further aggravate the symptoms of diarrhea through the laxative effect of walnuts. If people who already have diarrhea then eat walnuts, it is likely that the laxative effect of walnuts will further aggravate the symptoms of diarrhea.