Biological dressing for eliminating white spots and scars on human body

The invention relates to a biological dressing for eliminating white spots and scars on human body, and belongs to the technical field of medical articles. The dressing is mainly composed of the following components in percentage by weight: 0.9 to 3.0% of procyanidine, 6 to 12% of scallion extract, 4 to 9% of fleece-flower root extract, 2 to 6% of psoralen, 0.6 to 1.0% of emulsifier, 0.4 to 1.0% of skin penetrating agent, and the balance being water. The preparation method of the biological dressing comprises the following steps: weighing oil-phase raw materials according to the formula, heating, filtering so as to obtain first emulsion; individually weighing water-phase raw materials, heating; adding first emulsion, stirring, adding an emulsifier, stirring under three stirring speeds, allowing the system to stand still for 11 to 12 hours; cooling, detecting, filling, packaging, coding, and finally storing in a warehouse. The provided biological dressing can eliminate white spots, is capable of eliminating the scars and relieving itch, and does not have any side or toxic effect.