Rice kernel is also called Coix lacryma, the seed kernel of Coix lacryma, which is simply understood as the seed of a plant and a very common food as well as a medicine. Rice kernel, as the seed of a plant, is rich in amino acids, vitamins and minerals, and it also has a high calorie content, ranking high among similar foods, higher than the usual rice and wheat. According to Chinese medicine, the main function of Coix Seed is to promote water retention and eliminate swelling (to facilitate urination and eliminate edema), and it is often used to improve the symptoms of urinary incontinence (unruly urination), edema, and diarrhea due to the deficiency of the spleen and the prevalence of dampness, among other reasons. Rice kernel can be used to make rice kernel and red date porridge or make tea. People can consume it according to their choice, but it is forbidden for those who are allergic to rice kernel.