Composition capable of effectively relieving/repairing sensitive skin, sunburnt skin and damaged skin after medical art and preparation method thereof

The invention discloses a composition capable of effectively relieving/repairing sensitive skin, sunburnt skin and damaged skin after medical art and a preparation method thereof. The composition is prepared from the following components in parts by weight: 0.4 to 2 parts of sodium hyaluronate and 0.005 to 0.2 part of poly (deoxyribonucleotide), the sodium hyaluronate comprises sodium hyaluronate with low molecular weight, sodium hyaluronate with medium molecular weight and sodium hyaluronate with high molecular weight. According to the composition, low-molecular-weight sodium hyaluronate, medium-molecular-weight sodium hyaluronate, high-molecular-weight sodium hyaluronate and polydeoxyribonucleotide are reasonably matched, so that the product stability is improved, the acting time of active ingredients in the skin is prolonged, the active ingredients can penetrate through the cuticle to enter the corium layer, and the skin whitening effect is achieved. The composition directly acts on a cell target part, imp