This ventilation fan uses advanced ventilation technology to quickly and efficiently achieve indoor and outdoor air convection, effectively eliminate indoor odors, moisture and harmful gases, and provide users with a fresh and comfortable indoor environment. Its back-shaped panel design is not only beautiful and unique, but also dust-proof and waterproof, making it easy to clean and maintain, providing users with a convenient experience. The ventilation fan also has the characteristics of silent operation, which can maintain low noise even when operating at high speed, providing users with a quiet environment. This feature makes the ventilation fan very suitable for use in bedrooms, living rooms, kitchens and other places that require a quiet environment, without disturbing the user's rest or work. In addition, this integrated ceiling-shaped panel ventilation fan is also durable and easy to clean. It is made of high-quality materials, has a sturdy and durable structure, and is easy to clean and maintain, providing users with a convenient use experience. In short, the integrated ceiling-shaped panel ventilation fan is a uniquely designed and powerful ventilation equipment that provides users with a fresh and comfortable indoor air environment. It has beautiful appearance, excellent ventilation effect, quiet and stable operation, durability and easy cleaning. It is an ideal choice for home life and office environment.