Arm stitches usually need to be removed in 10~12 days, the specific removal time also needs to be combined with the specific location of the incision, the local blood supply, the patient’s age, nutritional status, etc. to decide. Arm surgery incision usually need 10~12 days to remove stitches, such as the incision is closer to the joints need to be extended for a few days, such as the use of tension-reducing suture, the need for 14 days to remove stitches; for teenage patients can be appropriate to shorten the time to remove the stitches, and elderly, malnourished patients can be appropriate to prolong the time to remove the stitches; such as for the incision of the electro-knife should be delayed for 1~2 days before removing the stitches. Arm stitches specific removal time should be combined with the patient’s own situation, by a professional physician according to the incision healing situation, do not remove the stitches, so as not to cause wound dehiscence and other adverse consequences.