No, according to Baidu Encyclopedia, the peel of torreya grandis does not contain edible toxic substances, but it can supplement nutrition, promote digestion and kill insects if eaten in moderation. Torreya grandis is also rich in protein and lipids, and it is also a traditional Chinese medicine, which has the effects of eliminating malnutrition, moistening lung, moistening intestine, resolving phlegm and relieving cough.