1, before and after the injection can be localized with an ice pack for 1-2 minutes to reduce the local skin reaction. 2.Gently massage around the injection site for 2 minutes after the injection to promote the absorption of the drug. 3, the same injection site should avoid continuous injection. 4, pay attention to the water temperature when bathing, 37 ℃ -39 ℃ is appropriate, it is best not to take a tub bath, reduce the long time of hot water immersion. 5.Self-monitor the injection site skin for redness, swelling, hard nodes, pain, etc.