Fuente: WIPO "tomato" The invention relates to the field of genetic engineering, and discloses an HSL protein, gene, vector, cell, composition and use thereof, and method for improving herbicide resistance of crops, and particularly discloses an HSL protein, a gene for encoding the HSL protein, a recombinant vector, a transgenic cell, a composition and use thereof in improving herbicide resistance of the crops, and also discloses a method for improving herbicide resistance of the crops. The HSL protein and the encoding gene provided by the invention can be used for improving the resistance of crops to HPPD inhibitors.