The present application provides a method and a device for transmitting information. The method includes: the terminal device determining first quantity information, wherein the first quantity information is information about a number of code block groups comprised in a transport block, and each code block group comprises at least a code block; the terminal device determining second quantity information, wherein the second quantity information is information about a total number of bits comprised in a scheduled transport block; and; the terminal device determining information about code block groups comprised in the scheduled transport block according to the first quantity information and the second quantity information.