You can wash your face in about 5-7 days after the melon face plastic surgery. Within 6 hours after injection of botulinum toxin, don't wash your face, don't make up, and avoid touching the injection site; Do not apply ice or hot compress on the injection site; Avoid strenuous exercise within 24 hours; Do not do three warmings for the time being; Avoid eating hard-shell food, instant spicy food, seafood and other foods for a week, and avoid alcohol and tobacco.