Provided is a fruit and vegetable pesticide residue washing device. The device mainly comprises a non-magnetic housing which includes two circular groove shaped housings. The openings of the two circular groove shaped housings are moveably connected to form a whole housing. One end of a magnet is fixed on the middle part of the groove bottom in each half of the housing, and magnetic poles of the non-fixed ends of the two magnets are the same. A hole is arranged on the housing from the magnet to the housing opening on each half of housing. Space between the two housings is internally provided with an inner core in the corresponding shape. The inner core is formed by an adsorbent mixed in proportion and a plastic net wrapping the adsorbent. The adsorbent includes anion ceramic balls, zeolite pellets, and activated carbon granules. The device uses a nontoxic pure natural material and a physical method to remove pesticide residues, and has no damages on food, and maintains original taste and nutrition components of food. The device removes pesticide residues more safely and efficiently than other existing cleaning appliances.