Of course. Porcelain pocket is an instrument that can reduce fat and shape. It can emit unique infrared electromagnetic waves to the human body by using special technologies and materials. As long as it is worn, it can act on deep tissues of human body and effectively eliminate waist fat. There will be no adverse reactions when used on an empty stomach. No food enters the intestine on an empty stomach and will not be squeezed uncomfortable. Therefore, small porcelain pockets can be applied on an empty stomach.