An environmentally friendly automatic spraying machine, comprising a battery cell (1), a spraying motor (2), an adjustment rod (3), a nozzle (4), a liquid medicine tank (5), a machine body (6), a rear roller (7), and a front roller (8) the battery cell is overall a square structure, the spraying motor is mounted on the upper end of the battery cell, the adjustment rod is mounted on the front end part of the spraying motor, the nozzle is connected to the upper end of the adjustment rod in a threaded manner, the diameter of a tube opening inside the nozzle is smaller than the diameter of the tube opening inside the adjustment rod, the liquid medicine tank is mounted on another end of the spraying motor, the battery cell, the spraying motor, and the liquid medicine tank are altogether mounted inside the machine body, the bottom part of the machine body has a transmission connection to the rear roller, and the front end part of the machine body has a transmission connection to the front roller. The height from the ground of a spraying rod structure comprising an adjustment rod can be adjusted, being suitable for crops of different planting heights, meeting the needs of high-altitude garden crops, operating using an electric-powered machine body, and being convenient for a user to transport.Linvention concerne une machine de pulvérisation automatique écologique, comprenant un élément de batterie (1), un moteur de pulvérisation (2), une tige de réglage (3), une buse (4), un réservoir de médicament liquide (5), un corps de machine (6), un rouleau arrière (7) et un rouleau avant (8) lélément de batterie est globalement une structure carrée, le moteur de pulvérisation est monté sur lextrémité supérieure de lélément de batterie, la tige de réglage est montée sur la partie dextrémité avant du moteur de pulvérisation, la buse est reliée à lextrémité supérieure de la tige de réglage dune manière filetée, le diamètre dune ouverture de tube à lintérieur de la buse est plus petit