Mengniu can buy pure milk. Epidemic situation in Inner Mongolia: According to the information query in March 2022, the epidemic situation in Inner Mongolia has basically improved. All COVID-19 patients have been found and treated in hospitals, and people who have had close contact with these COVID-19 patients have also received nucleic acid tests. The milk produced in Inner Mongolia has been sterilized at high temperature, screened by the national security department and passed the quality inspection, so it can be safely drunk.