Finger after doing liquid nitrogen pain is generally tolerable, 3-5 days will be relieved on their own, sleep with the affected limbs to promote reflux, if the pain is more intense, you can relieve the pain by oral, topical, injection of painkillers. 1. Oral painkillers: Oral painkillers are useful after liquid nitrogen cryotherapy, such as oral ibuprofen granules, acetaminophen, diclofenac sodium extended-release tablets and other painkillers will relieve the pain to a certain extent. 2. Topical medication: Wet burn cream and polymyxin B ointment can be applied to promote healing and pain relief treatment. 3. Injection of painkillers: injection of painkillers is mainly considered local injection of painkillers, such as injection of Prednisolone Acetate Injection, Lidocaine Hydrochloride Injection and other drugs for closure after treatment of the painful area, which can also relieve the symptoms of pain. If there is pain after liquid nitrogen cryotherapy in the finger, it should be combined with the actual situation, under the guidance of the doctor to take reasonable treatment, do not blindly use drugs, so as not to miss the opportunity of the disease.