The present invention relates to a method for preparation of heparin silver, to use of heparin silver in manufacture of medicine for treating burns and/or scalds, to a method of using heparin silver to treat burns and/or scalds, and to a topical preparation containing heparin silver for treating burns and/or scalds. The heparin silver product prepared according to the method of the present invention has a high purity and less impurity. The animal test proved that the medicine made by using heparin silver exhibited effects of accelerating wound healing and reducing scar formation.