2. Soybean oil contains palmitic acid, linoleic acid, linolenic acid, vitamin E, vitamin D, vitamin A, carotene, calcium, iron, phosphorus, lecithin and other nutrients, which has high nutritional value and dietotherapy and health care functions. Traditional Chinese medicine believes that soybean oil is pungent and hot, which has the effect of moistening intestines and expelling insects, and has the effect of treating intestinal obstruction, constipation, scabies and other diseases.