If you mean dietary fiber, there are many green leafy vegetables! It only exists in plant food.

Crude fiber food refers to food containing more than 2 grams of crude fiber per 100 grams of food.

There are heterogeneous corn, millet, sorghum, buckwheat, oat, cassava, sweet potato, arrowroot, soybean, mung bean, red bean, pea, broad bean, bean sprout, celery, leek, garlic sprout, day lily, Toona sinensis, green pepper, edamame, Zizania latifolia, bamboo shoots, whipping bamboo shoots, asparagus and onion.

Fiber is thick, not easy to digest and absorb, which will increase the burden on the stomach, so patients with stomach diseases should eat less.