Option 1: Change the milk powder brand. If the baby is unwilling to drink the milk powder he has been drinking, then we can try to change the brand. It should be noted that different brands and formulas of milk powder may have different adaptability to the baby\’s gastrointestinal tract. Therefore, before changing brands, it is recommended to consult a doctor for advice and choose a suitable milk powder brand based on your baby\’s physical condition. If your baby is still unwilling to accept the new brand of milk powder, you can gradually adjust the feeding time and milk volume so that your baby can slowly adapt. In addition, you can consider using a little juice on the bottle