Timing of surgery: 1, if it does not affect the normal development of the thumb, about 1 year old is better, when the patient can better cooperate with the treatment, and finger necrosis and anesthesia risk is small; 2, if you can not judge which finger to choose, wait until preschool to decide on the operation according to the function of the finger, after all, the function of the finger is the key to decide to choose, not only the appearance of the finger; 3, if it affects the development of the normal finger, it is recommended that If it affects the normal finger development, it is recommended to operate around 1~3 years old; 4. If the patient’s parents have high requirements, it can be operated earlier. Generally speaking, deformities that hinder development should be operated as early as possible, otherwise these deformities will gradually aggravate with growth and development; for those deformities that do not affect development, the operation can be performed before school age to avoid psychological barriers after school; and some operations that may damage the epiphyseal plate should be delayed until the teenage years or after adulthood, to be performed after the epiphyseal development basically stops or stops.