Solar cell front electrode alignment printing method and solar cell preparation method

The invention discloses a solar cell front electrode alignment printing method and a solar cell preparation method, wherein in a cell front laser grooving process, a grid line outer frame of a cell front laser grooving pattern and 2-10 grid lines arranged from outside to inside at two sides are engraved into a double-line groove, and the double-line groove is composed of two parallel grooves. According to the invention, metal slurry of a front electrode auxiliary grid can accurately cover a corresponding groove, so that the deviation is reduced, and the printing accuracy of the front electrodeof the solar cell is improved so as to improve the printing quality and the electrical property of the solar cell; after a screen printing plate is used for a period of time, the screen printing plate is deformed, and the printable area of the front electrode auxiliary grid is widened, so that the metal slurry can accurately cover the corresponding groove even if the screen printing plate is deformed, the deformed screen