1. Nourishing the spleen and stomach, benefiting qi and improving eyesight: According to "Kaibao Materia Medica", "Hazelnut is sweet in taste, flat in nature, non-toxic, and has the effects of regulating the stomach, appetizing and improving eyesight." Chinese medicine believes that hazelnut can tonify the spleen and stomach, benefit qi and improve eyesight, and it is quite helpful for those with lung and kidney deficiency such as nocturia and thirst.

2. Softening blood vessels: The oil in hazelnut is mostly unsaturated fatty acid, which can promote cholesterol metabolism and soften blood vessels, thus preventing and treating cardiovascular and cerebrovascular diseases such as hypertension and arteriosclerosis.

3. Enhance immunity: Aspartic acid and arginine rich in hazelnut can enhance arginase activity and eliminate ammonia in blood, thus enhancing immunity and preventing cancer.

4, calcium: calcium is the main component of human bones and teeth, once lacking, it is easy to osteoporosis. The calcium content of hazelnut is as high as 8 15 mg/100 g, so eating hazelnut can supplement calcium properly.

5. Prevention of diabetic complications: The magnesium content in hazelnut is also in the leading position. Studies have proved that adequate magnesium can slow down the occurrence of diabetic complications, so hazelnut is a perfect snack for diabetic patients.