The rainwater downpipe support bracket is made of high-strength iron, featuring sturdiness and durability. It can withstand harsh weather conditions and meet long-term usage requirements. This bracket effectively prevents deformation and detachment caused by the weight of the pipe itself or wind forces, thus protecting the building structure and drainage system from damage. Its reasonable structural design helps maintain the vertical position of the downpipe, ensuring smooth and unobstructed drainage, reducing the risk of blockages, and making rainwater discharge more efficient. The bracket is equipped with adjustable components, which can be flexibly adjusted according to the diameters of different downpipes. Whether it is a downpipe with a diameter of 2 inches, 3 inches, 3.5 inches, or 4 inches, a suitable installation setting can be found. At the same time, the surface coating of the bracket is made of non-toxic and harmless environmentally friendly materials, which is friendly to human health and the ecological environment, balancing practicality and safety.