The present method discloses a use method of a dried tangerine peel processing robot arm. The dried tangerine peel processing robot arm comprises a motor, a pump, a fruit flesh sucking device, an elastic scraper, an elastic seat and a controller. An impeller of the pump is connected with the elastic scraper through a rotating pipe; and during use, the motor is used to drive the pump to rotate, thepump is used to drive the elastic scraper to rotate, a fixed tube plate is held by hands to control drilling of the elastic scraper into flesh of tangerines, the elastic scraper is used to scrape theflesh of the tangerines off, the pump is used to pumped away the scraped flesh, robot arm processing of tangerine flesh digging is realized, and production efficiency of manufacturing tangerine Pu'ertea is improved.