The common reason for hyaluronic acid injection to shift after the decree lines is that the injection volume is too large, causing the shift of the reasons are as follows: 1, expression muscle extrusion: facial expression muscle on the hyaluronic acid extrusion, so that the hyaluronic acid injected in the decree lines parts of the hyaluronic acid up to the malar muscle parts, reduce the injection volume can be relieved; 2, extrusion of external forces: pay attention to the sleeping posture, avoid vigorously rubbing and pressing the injection site; 3, the injection level: if the injection level is deeper, it is more difficult to shift the injection level, and it is more difficult to shift the hyaluronic acid. If the injection level is deeper, it will be more difficult to shift. If the injection level is shallow, it will be pulled by the expression muscle, resulting in displacement; 4. Improper selection of hyaluronic acid: It is recommended to choose a regular hospital and fully communicate with the doctor to choose the right hyaluronic acid to avoid hyaluronic acid displacement. Displacement can wait for natural fading and hot compress to accelerate the fading. You can also inject hyaluronic acid dissolving enzyme to dissolve it directly.