The article explores the operational principles, advantages, challenges, and future prospects of vertical farming. Vertical farming utilizes innovative technologies and sustainable practices to grow crops in vertically stacked layers, maximizing space utilization. It introduces the system components, cultivation techniques, and key technologies of vertical farming, as well as its numerous benefits such as resource efficiency, sustainable agriculture, and food security. However, vertical farming faces challenges such as high initial investment and energy costs. Nevertheless, with ongoing technological innovation and increasing market demand, vertical farming is expected to play a greater role in the future.