Ryukyu rabbits are completely herbivorous animals, but their food is very complex, depending on the habitat environment, generally prefer young grass, wild vegetables and certain shrubs leaves, and eat some grass roots in winter.

in Ryukyu rabbits that live near the farmland will eat sweet potatoes, vegetables and newly unearthed bean sprouts, soybean sprouts, broad bean sprouts, and soybean sprouts, which will cause certain harm to crops.