It means that you only need to add one or two Jin of clear oil when cooking. Clear oil usually refers to ordinary peanut oil or rapeseed oil, which is not reused after heating. In Sichuan and other regions, clear oil refers to pure rapeseed oil. "One kilo of clear oil consumes one or two kilos" means that only one or two kilos of clear oil is needed when cooking. The proportion of fatty acids in clear oil is closest to the needs of human body, which contains sterols beneficial to human body, and is also rich in trace elements such as vitamin E, carrots, selenium and iron.