Forty-eight hours after wisdom tooth extraction, milk can be drank appropriately in the strict sense. However, since the wound is not completely healed, it is generally not recommended to drink milk with a straw to prevent the negative pressure in the mouth from increasing and inducing wound bleeding, and you can drink directly from a cup. When drinking milk, the temperature should be appropriate, it can be room temperature milk, not too hot or too cold. After wisdom tooth extraction, the wounds and the tissues around the gums are relatively sensitive, so too hot milk or other food can easily burn the oral mucosa or make the blood clot fall off due to overheating, which can affect the wound healing; if the milk just taken out from the refrigerator is too cold, it can also easily stimulate the wound and cause pain or other digestive discomfort. This is not just milk, but also other foods that need to be controlled when eating. In addition to the above precautions, you need to rinse your mouth after drinking milk, milk is rich in nutrients, if not cleaned in time residual in the mouth, easy to produce sulfide smell gas, halitosis, and provide an environment for bacteria breeding. At this time, the gums have trauma, oral immunity is poor, there is the possibility of oral infection. In addition, when brushing or gargling, the action should be gentle to avoid stimulating the wound.