A disinfecting and cleaning
machine for a public bike can accommodate at least one public bike. A panel is provided with a displayer, a
loudspeaker and the like. A cleaning spray
pipe is arranged in the
machine, and multiple spray holes of the cleaning spray
pipe point to all portions of the bike. Disinfecting detergent nozzles and air nozzles point to a bike seat and handlebars correspondingly. A bike wheel guiding groove is formed in a bottom plate, weighing sensors are arranged under the bottom plate, and the
machine is connected with cameras. A bike lock and an electronic tag reading head are arranged on the front side of a bike in / out opening, and a bike in / out traction device is composed of the bike lock, the electronic tag reading head, a support, a cross arm, slide rails and a
traction motor, can automatically drag the public bike into the machine to be disinfected and cleaned, and then automatically pushes the bike out and releases the bike after cleaning. The seat and the handlebars are disinfected and cleaned mainly, and the risk of
disease infection is eliminated; the whole bike is cleaned, contaminating mud and dust are washed off, civilized and beautiful scenery of a city is restored, and riding comfort is improved; damaged parts of the bike can be detected so that people can be reminded to repair the bike and use the bike carefully; lubricating
oil can be injected, so that the service life of the bike is prolonged, and riding is more effortless. The first drawing is the attached drawing of the abstract.