The temperature of the water is 40-60 degrees. There are requirements for the temperature of the water when mixing milk powder, usually warm water of about 40-60 degrees Celsius. 40-60 degrees Celsius water temperature for the nutrients in the milk powder as well as added probiotics and other special ingredients can maximize its effect, and it is also the temperature suitable for the baby’s intake. If the temperature is higher than 60 degrees, it may cause the probiotics and other special ingredients to lose their activity or affect their dissolution, resulting in the loss of nutrients. If the temperature is lower than 40 degrees, it may result in the milk powder not open, lumps, resulting in baby indigestion, diarrhea and other gastrointestinal symptoms occur. It is necessary to mix the milk powder with suitable water temperature and scientific method to proportion, only in this way can the baby better absorb the nutrition in the milk powder, so that the baby can grow up healthily.