If the weight gain caused by poor metabolism is due to heavy moisture, Coix seed and red beans do have the effects of eliminating dampness, strengthening spleen and losing weight, and are also very helpful for skin problems caused by damp heat. To achieve this effect, it is best to use coix seed and adzuki bean (smaller and flatter than ordinary red beans), or you can use coix seed and ordinary red beans. Don't mix them with other ingredients such as rice and glutinous rice, and don't simmer them like porridge. After boiling, continue to heat for about 10 minute, drain and drink. Add water before cooking. You can cook for a while this time and finish the soup with residue. The main way to lose weight is to reduce the intake of high-fat food and insist on physical exercise every day, with the best effect.