The pain will be reduced by administering lidocaine hydrochloride for the removal of the ring. Lidocaine hydrochloride is a local anesthetic and antiarrhythmic agent, which can be used for infiltration anesthesia, epidural anesthesia, surface anesthesia, and nerve conduction block, etc. It can also be used as a Class I and Class III antiarrhythmic agent for premature ventricular contractions and tachycardia after acute myocardial infarction. IUD removal usually refers to the removal of the birth control ring. During the process of removing the IUD in women, there may be localized pain, although most women can tolerate it. For women with pain sensitivity, an injection of lidocaine hydrochloride may also be prescribed to provide local anesthesia and help reduce local pain. It is recommended that anyone who is allergic to any of the ingredients or excipients in Lidocaine Hydrochloride should be prohibited from using it. After the removal of the IUD, women should pay more attention to the perineal area clean, maintain a light and nutritious diet.