Carya cathayensis can beautify, nourish and make people white and tender, especially suitable for the elderly. Carya cathayensis fruit can resist aging, treat neurasthenia and delay memory decline. Vitamin E contained in betel nut can protect cells from oxidative damage by free radicals, and it is recognized as an anti-aging substance in the medical field. The trace elements contained in nuts are beneficial to the nutritional supplement of the brain, and regular consumption has the effect of strengthening the brain and improving intelligence.

Carya cathayensis fruit contains 40~50% oil, although most of them are unsaturated fatty acids beneficial to human body. However, when the body ingests too much fat, it will turn into fat and accumulate in the body, causing obesity.