Patients with sclerodactyly inside the arm muscle, if the localized sclerodactyly is relatively large and grows rapidly with painful symptoms, surgical excision will be performed if necessary. Surgery requires adequate preoperative preparation, such as local ultrasound and MRI, to clarify the size and scope of the nodule, can be under local anesthesia or brachial plexus nerve block anesthesia, surgical resection of the nodule, after the resection of the specimen should be sent to the pathology, to clarify the type of pathology, to determine the next step in the treatment plan can be. In addition, the incision needs to be changed and sterilized, the incision needs to be changed once in 2-3 days, and if the incision heals well, the stitches can be removed in about two weeks.