The invention discloses a soluble scar-repairing microneedle. The soluble scar-repairing microneedle comprises the following active components in parts by weight: 0.2-1.5 parts of citric acid, 10-33 parts of soluble collagen, 2-14 parts of a scutellaria galericulata extract, 5-18 parts of a malva sylvestris extract, 7-30 parts of a peppermint extract, 0.5-5 parts of a veronica officinalis extract,13-53 parts of an achillea extract, 50-130 parts of a purslane extract, 50-100 parts of a lithospermum extract, 50-100 parts of a gallnut extract, 70-90 parts of a myrrh extract, 15-20 parts of a borneol extract, 12-15 parts of an aloe extract, 3-6 parts of a Chinese yam extract, 12-15 parts of a chamomile extract, 1-2 parts of betaine, 3-6 parts of a burdock root extract, 1-3 parts of a mung bean flour extract, 4-8 parts of a codonopsis pilosula extract, 8-9 parts of carrot seed essential oil and 6-7 parts of lavender essential oil. The soluble scar-repairing microneedle has an obvious scar-repairing effect.