The invention relates to a dendrobium extract product application, which belongs to the pharmacy technical field. A method for preparing a dendrobium extract product comprises the following steps: a) using a pair of scissors to cut dendrobium and adding the dendrobium in water for boiling according to ratio of W/V at 1:10-20, after boiling the dendrobium in water, continuously keeping for 2-4 hours, and filtering to remove residues and collecting an extract; b) repeating the step a) for 2-4 times, merging the extract at each time, and performing freeze drying to obtain a powder dendrobium aqueous extract; and c) uniformly mixing the dendrobium aqueous extract obtained in the step b) and vaseline to prepare a dendrobium extract product paste agent with W/W concentration of 2%, or uniformly mixing the dendrobium aqueous extract obtained in the step b) and water to prepare a dendrobium extract product solution with W/V concentration of 62.5mg/ml. The invention also provides the application of dendrobium extract product in preparation of medicament for promoting the healing of skin wound. The dendrobium extract product application has the beneficial effects that dendrobium can obviously promote the healing of skin wound, reveals an application prospect of dendrobium in preparation of medicament for promoting the healing of skin wound, and develops a new application field for dendrobium.