Symptoms of dry socket syndrome of wisdom teeth extraction usually include bad taste in the mouth, severe pain in the operation area and fever. 1. Bad taste in the mouth: usually dry socket is a common complication after wisdom teeth extraction, because the blood clots in the extraction socket are dislodged, resulting in wounds that cannot heal properly, and thus infections occur, accompanied by rotting odor. 2. Severe pain in the operation area: Generally, the onset of dry socket syndrome is about 2~3 days after tooth extraction, which is manifested as severe pain on the affected side, which can also radiate to the head. Through examination, patients can find empty extraction sockets covered with white infection, and in severe cases, there may be pus overflow and bleeding. 3. Fever: Often dry socket if not treated in time, there may be a risk of fever, chills, malaise, bacteremia and other symptoms. It is recommended that patients should seek medical attention as soon as possible if any of the above symptoms occur after wisdom teeth extraction to avoid delays.