1. What is problematic milk powder? Problematic milk powder refers to products that are caused by errors in production, processing or storage, resulting in abnormal or excessive nutrients, trace elements, etc. in the milk powder, posing potential risks to the health of infants and young children. These issues may include excessive lead levels, bacterial contamination, the addition of illegal substances, and more. 2. The harm of problematic milk powder to the health of infants and young children 1.