Gu Zhong's life is poorly documented in publicly available sources; his birthplace, birth and death dates, and major life experiences remain difficult to ascertain. Judging only from extant texts and the titles of his works, he is known for the dietary work Yang Xiaolu (Records of Nourishing the Small). The book belongs to the tradition of ancient Chinese food writings, recording methods for preparing everyday dishes, vegetables, fruits, and drinks. Its prose is concise and practical, combining domestic interest with documentary value, and it offers useful material for the study of traditional food culture. In style, Gu Zhong writes plainly and with little embellishment, turning cooking experience into clearly organized accounts that readers can easily follow. Because historical sources are scarce, Gu Zhong's life and social connections await further research. What can be established is that only one work by him, Yang Xiaolu, survives, yet it is enough to show his orientation toward everyday life and close attention to its details. Later generations have generally placed the book among writings on daily life and food, and it is often read as an accessible introduction to the eating habits of the ancients. Its influence lies mainly in the organization and transmission of culinary knowledge rather than in poetry or prose fame.