There is no authoritative information on how long it takes to recover from tongue numbness after trigeminal nerve decompression surgery, which may generally take 2 to 3 months, depending on the individual. There is no authoritative information on how long it takes to recover from tongue numbness after trigeminal nerve decompression surgery. In general, it is believed that tongue numbness after trigeminal nerve decompression surgery may take 2~3 months to recover. However, since each patient’s condition, physical state and other factors are different, the exact recovery time after surgery can not be generalized, and there are obvious individual differences. Numbness of the tongue after trigeminal nerve decompression surgery is a manifestation of facial sensory impairment, which is a common complication of this surgery, indicating that the nerves have been damaged during the surgery. Some patients with severe symptoms need to follow the doctor’s instructions to use methylcobalamin, vitamin B12 and other nutritive drugs, which can improve the symptom of numbness of the tongue to a certain extent. After trigeminal nerve decompression surgery, patients need to strengthen the daily life management, consult the doctor in time after the symptoms of tongue numbness, strictly comply with the doctor’s instructions for medication, and go to the hospital regularly for follow-up.