An electronic device comprising: a substance detecting sensor configured to obtain a first set of data on a plurality of substances in a first position of a body of a user by scanning the first position, wherein the plurality of substances comprise water and fat; wherein the first set of data comprises substance contents of different substances or a percentage of each substance; a camera configured to determine a body part corresponding to the first position, wherein the camera configured to determine the body part corresponding to the first position is configured to determine the body part by feature analysis of an image of the first position, and wherein the body part comprises one of: abdomen, arm, and thigh; a display; and a processor coupled with the substance detecting sensor, the camera, and the display and configured to determine a fitness plan for the body part according to the first set of data and the body part, and push the fitness plan determined via the display; characterized in that: the processor configured to determine the fitness plan according to the first set of data and the body part is configured to: for each data in the first set of data, determine, a numerical interval to which the data belongs; assign a score to each data according to the numerical interval according to a mapping relationship between numerical intervals and scores; calculate a total score of the first set of data according to the score and a weight of each data in the first set of data; and determine a fitness plan which matches the total score and the body part as the fitness plan to be pushed according to a pre-stored mapping relationship between body parts, total scores, and fitness plans or by receiving a fitness plan matching the body part that is pushed according to the total score by a cloud database. a substance detecting sensor configured to obtain a first set of data on a plurality of substances in a first position of a body of a user by scanning the first position, wherein the plurality of substances comprise water and fat; wherein the first set of data comprises substance contents of different substances or a percentage of each substance; a camera configured to determine a body part corresponding to the first position, wherein the camera configured to determine the body part corresponding to the first position is configured to determine the body part by feature analysis of an image of the first position, and wherein the body part comprises one of: abdomen, arm, and thigh; a display; and a processor coupled with the substance detecting sensor, the camera, and the display and configured to determine a fitness plan for the body part according to the first set of data and the body part, and push the fitness plan determined via the display; characterized in that: the processor configured to determine the fitness plan according to the first set of data and the body part is configured to: for each data in the first set of data, determine, a numerical interval to which the data belongs; assign a score to each data according to the numerical interval according to a mapping relationship between numerical intervals and scores; calculate a total score of the first set of data according to the score and a weight of each data in the first set of data; and determine a fitness plan which matches the total score and the body part as the fitness plan to be pushed according to a pre-stored mapping relationship between body parts, total scores, and fitness plans or by receiving a fitness plan matching the body part that is pushed according to the total score by a cloud database. determine, a numerical interval to which the data belongs; assign a score to each data according to the numerical interval according to a mapping relationship between numerical intervals and scores; calculate a total score of the first set of data according to the score and a weight of each data in the first set of data; and determine a fitness plan which matches the total score and the body part as the fitness plan to be pushed according to a pre-stored mapping relationship between body parts, total scores, and fitness plans or by receiving a fitness plan matching the body part that is pushed according to the total score by a cloud database.