China's corn production ranks second in the world. The corn as a by-product of corn is very large and easy to obtain, but its development and utilization is very limited. Except for a small amount of medicine, most of it is discarded in vain. In fact, there are many active ingredients in corn whiskers, which can be used to treat various diseases such as nephritis water, diabetes, gallstones, hepatitis jaundice, and hypertension. Corn has both obvious pharmacological value and certain therapeutic characteristics, and it has great prospects for industrial development and utilization.

Phytosterol is a natural active substance present in plants. It is mainly present in the form of free form and fatty acid esters in the tissues of plants and animals. It has important physiological functions in medical, pharmaceutical, food, health care products, and chemical industry. Widely used in the fields of cosmetics and feed. Studies have shown that phytosterols have an important role in reducing cholesterol absorption, blood fat reduction, anti-inflammatory, anti-tumor, prevention and treatment of prostatic hyperplasia, inhibition of breast hyperplasia, anti-virus, regulation of immunity and anti-oxidation. They are also C19 steroid steroids. The important production raw material of the compound-dehydroepiandrosterone. There are very few developments and utilizations in China. This study uses agricultural wastes - non-toxic and non-side-effect corn as raw materials, and provides an experimental basis for exploring the development and utilization of corn mustard.