Absorbable nails and titanium alloy nails are made of different materials, the main difference is the fixation strength, whether it is necessary to take out the second surgery and the price. 1. Fixation strength: absorbable nails and titanium alloy nails compared to the fixation strength is not high, titanium alloy nails suitable for weight-bearing parts, can be strong and long time fixation, while absorbable nails are suitable for non-weight-bearing parts. 2. Whether the need for secondary surgery: absorbable nails similar to human tissue can be slowly absorbed, is not the need for secondary surgery to remove, but the body may have a rejection reaction, affecting the healing of the wound; and titanium alloy nails need to be removed twice or permanently remain in the body. 3. Price: the general price of absorbable nails is higher than titanium nails. The two types of nails have their own advantages and disadvantages, if you need to use the relevant departments of the hospital in a timely manner, follow the advice of a professional doctor.