1. people who get angry: excessive consumption of torreya grandis is easy to aggravate the internal fire, while those who get angry are heavier. Eating walnuts is likely to aggravate the symptoms of getting angry, such as swollen gums, oral ulcers or skin acne, which is not conducive to their health.

2. Diarrhea: Torreya grandis contains a lot of oil and cellulose. Excessive consumption will increase the burden on the digestive system, while the gastrointestinal function of diarrhea patients is not good. Excessive consumption of walnuts can easily induce or aggravate diarrhea symptoms of diarrhea patients.

3. Patients with "three highs": The fat content in torreya grandis is relatively high, and excessive consumption can easily lead to the increase of blood sugar, blood lipid and blood pressure. Generally, walnut is not recommended for patients with diabetes, hyperlipidemia and hypertension, so as not to aggravate the conditions of diabetes, hyperlipidemia and hypertension.