If the powdered milk is well sealed and not spoiled, it can still be drunk if it is slightly caked. If the lumps are caused by improper sealing, it is not recommended to drink, so as not to affect the health. To determine whether the milk powder lumps can still drink, need to be based on the actual situation, can not be generalized. If the milk powder seal is intact, also in the expiration date, there is no deterioration, only the transportation process of collision caused by the slight caking, in general, you can drink, will not adversely affect the health. However, if the caking of milk powder is caused by improper sealing, and the milk powder has been deteriorated, breeding bacteria, even if it is still within the expiration date, you can not continue to drink, otherwise it will be easy to abdominal pain, bloating, diarrhea, nausea, vomiting and other digestive discomforts, which will have a negative impact on your health. To summarize, you need to store the milk powder properly in your daily life, and you can’t continue to drink the milk powder once it has spoiled. If you feel sick after drinking milk powder, you need to go to the hospital in time to avoid delaying the treatment.