This guide explains practical, science-based maintenance for aluzinc-coated (aluminum–zinc alloy) layer chicken cages used in stacked systems. It details how to choose cage-safe cleaning agents, set an effective cleaning frequency, and avoid common mistakes that accelerate coating wear and corrosion. The article also provides season- and climate-specific care strategies—such as humidity control, ventilation-focused rinsing and drying, and targeted inspections after temperature swings—to help farms extend equipment service life while improving hygiene, bird health, and egg quality. With step-by-step procedures, quick-reference checklists, and real-farm examples, the content is designed for easy adoption by farm managers and technicians, supporting better biosecurity outcomes and more durable housing performance.