Purposes: Restraint strap is modified by using continuous quality improvement strategies in order to promote patient's safety. Methods: The concept of continuous quality improvement was used in this plan to modify "the smile magnet hook gloves". Some items, such as gloves, the wrist restraint strap, double-opened zipper, magnet hook, and S belt, were used in this plan to produce one new tool. Results: There were six changes of the smile magnet hook gloves which commit three characters: 1) safety: magnet hook was used to fasten on the bed for strengthen the restraint safety, 2) comfort: gloves and restraint strap were combined together to avoid glide from the hands. The gloves have different size to fit the patient’s palm. The finger part of the gloves was constructed by 3D cutting which can fit the fingers having more space for stretching. 3). fitting medical needs: the zipper in the finger part was double-open type, which can be easily opened and closed to check finger blood sugar and oxygen saturation. Also, the iron plate can be easily removed from the gloves, which can let the gloves sterilizing properly and prolong the using period. Conclusions/Implications for Practice: The smile magnet hook gloves can contribute patient's safety and comfort. According to the data, there was significant increase in family's satisfaction from 41 points to 96 points. And, the same trend in nurse's satisfaction was raised from 61 points to 97.5 points. The result is not only fit the medical needs, but also raise the satisfaction both of nurses and patients’ family.