Cassava flour is high in calories and contains starch. Every100g cassava flour juice contains 360 calories. Excessive intake of these starches may be converted into fat in the body, which is easy to form obesity, so it is recommended to eat a small amount of cassava flour.

Cassava tubers are mostly white with high starch content and low protein and fat content. After the general extraction process, pure white cassava starch can be obtained only after dehydration and drying. Cassava starch is widely used in the edible processing of cassava because of its simple extraction process and low cost. Cassava starch used in cassava food can be divided into ordinary cassava starch and denatured cassava starch.

Cassava tuber is rich in starch and is one of the raw materials of industrial starch. Cassava is widely planted with high yield. It is a common coarse cereal crop in southern mountainous areas of China. Because the root tuber contains cyanide toxin, it can only be eaten after bleaching. Some low-toxic varieties, such as bread cassava, can detoxify after peeling off the cortex.