Garlic in rock sugar does not have any efficacy and function. Garlic and rock sugar are common food in life, with certain nutritional value, daily with to eat together, can add nutrients to the body. Garlic contains vitamin C, protein, dietary fiber, calcium, phosphorus, magnesium, potassium and other nutrients; rock sugar contains sugar, calcium, phosphorus, potassium, iron, copper and other substances, moderate consumption can be supplemented with a variety of nutrients needed by the body. The two can be paired to eat together, but does not have any efficacy and effect. It should be noted that garlic is pungent and stimulating, and should not be consumed in excess, so as not to cause gastrointestinal discomfort. In addition, the sugar content in rock candy is high, for diabetic people should strictly control the intake of rock candy, so as not to cause blood sugar fluctuations. In addition, daily life, we recommend a light and nutritious diet, coarse and fine grains, meat and vegetables with reasonable, avoid eating cold, spicy and stimulating food. Appropriate exercise, regular rest and relaxation, and maintain a happy mood.