Outdoor LED fixed display screens are widely used in advertising, sports events, municipal engineering and other scenarios due to their high brightness, high resolution and excellent environmental adaptability, and have become a key tool for modern urban information dissemination and advertising media. When choosing, users should focus on factors such as the display screen's brightness, waterproof and dustproof performance, maintenance convenience, resolution, refresh rate, and whether customized services can be provided, to ensure that they purchase products with high cost performance and reliable quality.