no. Purple potato powder is starch powder made of purple potato, which is used for baking and making cakes. The main components of purple potato powder are purple potato starch and some additives of starch molecules, and there is no flour. Purple potato flour is flour made by grinding purple potato into powder, which is used to make purple potato noodles, purple potato steamed bread, purple potato steamed buns and other foods. Purple potato flour and purple potato flour are both made of purple potato, but their main uses and ingredients are different, so purple potato flour and purple potato flour are not the same.