The nut contains a variety of nutrients, with an oil content of 70%-79%, especially characterized by rich unsaturated fatty acids, mainly oleic acid and palmitic acid. The ratio of unsaturated fatty acids to saturated fatty acids in the kernels of macadamia nuts is 6.2. Crude shell species is 4.8; protein is 9%, and it is also rich in calcium, phosphorus, iron, vitamins B1, B2 and 8 kinds of amino acids necessary for the human body. It can effectively prevent heart disease, lower blood pressure, improve lipid metabolism in diabetic patients, reduce the rate of carcinogen ketone derivatives forming tumors in the intestine, and provide health care and skin care.