No, the cuckoo princess underwear itself has no function of losing weight. Wearing cuckoo princess underwear can play a role in shaping, holding out the chest and improving the posture, but it can't directly lose weight or slim down. Princess Du Fu underwear is a kind of underwear brand specially designed for women. Its design concept is health, comfort, fashion and high quality, aiming at providing women with a healthier and more comfortable underwear wearing experience.