1. Background and reasons for milk powder purchase restrictions In recent years, milk powder purchase restrictions have become a hot topic. The implementation background of this is that around 2013, many milk powder quality problems occurred in the market, which caused widespread concern and concern. In order to protect the rights and safety of consumers, milk powder purchase restrictions have been implemented. 2. Contents and implementation of milk powder purchase restrictions According to relevant regulations, each family can only purchase a certain amount of milk powder at a time, and needs to provide relevant documents for registration. In addition, major supermarkets and pharmacies also need to comply with corresponding regulations and require consumers to provide ID cards and other documents when selling milk powder.