This multi-purpose walk-in metal chicken coop is an ideal solution for backyard poultry keeping, small farms, and sustainable living setups, suitable for chickens, ducks, rabbits, and small dogs. With a spacious interior and a built-in climbing ladder, it provides ample space for multiple animals to perch, rest, and explore, meeting the needs of large-scale home poultry farming. Constructed with a triple-layer anti-rust metal structure and 8mm thick galvanized steel pipes, it is reinforced at the base, corners, and support posts, offering both stability and predator resistance. Equipped with an all-weather dual-layer roof system, along with a rust-resistant steel frame and hexagonal wire mesh, it can withstand harsh weather conditions such as heavy rain, strong winds, and intense sun, providing stable protection year-round. Meanwhile, the user-friendly design of double doors and a top hatch simplifies feeding, cleaning, and flock care, and the heavy-duty iron latch ensures secure closure without complicated locks. All parts are pre-drilled and clearly labeled, accompanied by step-by-step visual instructions, allowing two people to complete the assembly quickly without professional skills. Integrating safety, durability, convenience, and versatility, it provides a safe and stable year-round outdoor habitat for poultry and small pets.