Your question can only be told by your professional fitness instructor after a professional test, but I can tell you for sure. If you don't control your diet, it's impossible to weigh 15kg for three months. You should eat less and eat more. Try to avoid eating (for example, you can eat some white meat instead of big meat). As for the exercise you mentioned, fitness and shaping is a kind of exercise that you have been insisting on for a long time. ..