The suspended finger described by the parents is what we call floating bunion. Floating bunion is a malformation that develops when the thumb is affected to some degree during early pregnancy. The cause of the malformation is not clear, but it may be related to nutritional deficiencies during pregnancy, neurogenic injury to the fetus, viral infections in the mother, the effects of medications (especially the sedative thalidomide), and oxygen deprivation. If the mother tries to avoid getting sick, taking medications, and being exposed to second-hand smoke, formaldehyde, and other harmful substances during preparation and pregnancy, the chances of having a baby with floating bunions will be greatly reduced. What should parents do if their child is born with floating bunions? From the doctor’s point of view and the long-term growth of the child, it is recommended that the child should be taken for corrective surgery as early as possible. It is better to correct your child’s thumb at the age of 6 months to 1 year, because this is the time when your child’s thumb function is being built up. Correcting your child’s thumb at this time is more favorable to the establishment of your child’s thumb function, so that your child won’t develop the habit of pinching things with the middle finger and index finger.