Cassava flour is also called tapioca starch, moderate consumption is generally not harmful to the body, but long-term excessive consumption may cause adverse effects on the body. Cassava flour is processed from cassava, cassava contains a large number of cyanide, there is a certain degree of toxicity, but after scientific and professional processing, cyanide and other toxic components are removed, toxic cassava into a non-toxic cassava flour. Cassava flour is mainly composed of starch, can be converted into sugar needed by the human body after consumption, providing a lot of energy, for low blood sugar and malnutrition, consumption of cassava flour is not only harmless, but also has certain benefits. But if long-term excessive consumption of cassava flour, may lead to the occurrence of obesity, so cassava flour is not harmful to the body is the premise of moderate consumption. For people suffering from diabetes and obesity, the consumption of cassava flour may lead to further aggravation of the disease or obesity, so such people try not to eat cassava flour. In addition, some families can make their own cassava flour through traditional methods, but this homemade cassava flour has not been professionally measured, there are certain safety risks. Therefore, it is recommended to consume as little as possible or not to consume this homemade tapioca, and if the consumption of diarrhea, vomiting and other symptoms of poisoning, please immediately seek medical attention to avoid serious consequences.