Yes, food can be patented. Diet is a broad concept that includes beverages and foods, and foods include processed foods, semi-finished products, and unprocessed foods. Regarding what can and cannot be patented, my country's Patent Law has clear regulations. Article 22 of the Patent Law stipulates: Inventions and utility models granted patent rights must be novel, creative and practical. Therefore, food can be patented as long as it meets the conditions.