Depressed scars can be repaired at an early stage by using ointments such as recombinant bovine basic fibroblast growth factor gel and topical recombinant human acidic fibroblast growth factor. 1. Recombinant bovine basic fibroblast growth factor gel: this product has the effect of promoting the repair and regeneration of cells originated from mesoderm and ectoderm, which can promote wound healing and assist in the repair of depressed scars, but is prohibited for those who are allergic to this product. 2. Topical recombinant human acidic fibroblast growth factor: this product is a multifunctional cell growth factor, mesoderm and ectoderm origin of a variety of cells with the role of promoting proliferation and promotion of differentiation, the clinic is mostly used for the treatment of chronic ulcers and wounds, such as diabetic ulcers, decubitus ulcers, etc., but also for the treatment of deep Ⅱ burns wounds, and can be repaired indented scars. However, during the use of the drug, local itching, mild fever and other adverse reactions may occur, allergic to the product is prohibited. Clinical combination of fractional laser and other photoelectric treatment is more effective. If there is a need for medication, it is recommended to consult a doctor in time and follow the doctor’s instructions to standardize the use of medication, because iodine, hydrogen peroxide and other protein denaturing agents will affect the activity of the above two drugs, it is recommended that the wound is cleaned and rinsed with saline before using this product.