Scientific name: arrowroot, winter bamboo shoot potato, sand Gu Mi, also known as Tokyo potato,

Tokyo potato is one of the specialties in Chaoshan area. Shaped like bamboo, light yellow, 5-7 cm long, white, rich in starch, and almost all the roots are starch. Mostly used for soup or grinding into powder, it is cool and has the functions of clearing lung heat, relieving cough and diuresis.