Pineapple meal replacement is ok, the weight loss effect is good, but everything is moderate. Don't eat all day. Instead of dinner, it is ok. Choose abdominal exercises and carbohydrates for the muscles of the waist and abdomen. Action: face up, lie on the lower inclined plate at 30-45 degrees, and fix the calf under the cushion to ensure safety. Put your hands gently on both sides of your head and keep your body in the center of the inclined plate. Don't pull your head by hand, roll up your torso slowly until your torso and thighs are at 90 degrees. Keep this action at the peak for a few seconds, then slowly return to the initial position and eat more carbohydrates in liquid meals.