During the processing of citrus juice, one of the most important by-products is citrus oil. Citrus peels are rich in citrus essential oils. Citrus essential oils are a large class of natural flavor essential oils. Its main components are terpenes, sesquiterpenes, higher alcohols, aldehydes, ketones, esters and oxygen-containing compounds; Essential citrus oil is colorless and transparent, with an attractive orange scent, has a wide range of application value in the food and cosmetic industries. We specially designed and developed a citrus oil extractor to obtain citrus oil. This machine is also called citrus oil grinding machine or citrus oil milling machine, it is made of SUS304 material and has