This obstacle avoidance radar adopts advanced single-chip microwave integrated circuit technology, combined with frequency modulated continuous wave and multi input multi output modulation method, which can detect obstacles in front and behind the radar in real time, such as power poles and trees. Its compact and lightweight design makes it easy to install on various flight platforms, including unmanned aerial vehicles, helicopters, and small airships, providing reliable obstacle avoidance capabilities. With high sensitivity and stable performance, this radar is suitable for various fields such as logistics distribution, agricultural and forestry plant protection, surveying and mapping, and consumer grade aerial photography.