In 20 18, Yili was found to have problems with some batches of pure milk, all of which were products of Yili dairy merchants, which led the outside world to think that there was something wrong with Yili dairy's milk. In 20 10, Yili was slandered by the product manager of a brand company, who is also a dairy product, for the ingredients of QQ Star children's milk and baby milk powder, and made false remarks, which affected Yili's product reputation. Later, a brand company made an apology.

Yili pure milk Yili pure milk is a product of Yili brand. After entering 1997, with the rapid growth of liquid milk consumption, Yili's first Tetra Pak liquid milk production line was put into production. In the same year, Yili pure milk, malt milk, chocolate milk, strawberry milk and sour milk were introduced, which greatly extended the shelf life of liquid milk and further expanded the radiation range of liquid milk, and successfully achieved the sales target of 10 billion yuan in 2005.