"Slimming magic formula" to lose weight as the table, to self-training, to face the pressure of life as the inside, to "learning" as the core concept, learning health knowledge, learning to deal with emotional skills, learn to entertain the spirit of happiness, happy to face the pressure, happy to hammer the Self. All the contestants in the program are fat girls facing different life and emotional pressures, and they have to overcome a lot of difficulties to complete the process of challenging themselves under the high-pressure training of the "devil" coach.