Ankle cysts can be eliminated by conservative treatment or surgery. 1. Conservative treatment: when the cyst is small and the pain is mild, you can choose conservative treatment, go to the hospital and use a sterile syringe to suction out the contents of the cyst, and locally inject lidocaine and prednisolone acetate to close the treatment, the conservative treatment can eliminate the cyst, but there is a possibility of recurrence. 2. Surgery: if the cyst is large and the pressure on the surrounding tissues causes pain and numbness, it is recommended to undergo surgery to remove the cyst completely and ligate the cyst tip, which usually will not recur after the surgery, and you need to recuperate for 4 weeks after the surgery. Suffering from ankle cysts should be timely to the hospital for examination and diagnosis, according to the specific circumstances, under the advice of the doctor to choose the appropriate treatment, do not do it on their own.