The invention discloses a control method and a control device for a washing machine through self-programming by a user in the Internet of Things. In a custom program, the user can compile a suitable washing program according to washing experience, save or utilize the self-compiled washing program, transfer and communicate the program by means of a removable storage medium and internet and share the washing program with other users. All online users of the washing machines can see the shared washing program and can download the washing program for use; the users can selectively download and import the existing washing program according to personal requirements; after the washing program is directly edited or reedited, the washing program is compiled into an executable washing program by the control device of the washing machine.