The second type of ordinary instant soybean milk powder refers to the soybean by peeling, grinding, adding sugar and other auxiliary materials, spray-dried products, which protein content in 15.0% or more. A class of two types of instant soymilk powder production process is probably similar, and in the protein content, a class of instant soymilk powder protein content is to be higher than the two types of instant soymilk powder protein content, so a class of instant soymilk powder is better than the two types.