Depressed scars can be treated well with recombinant bovine basic fibroblast growth factor gel, recombinant human acidic fibroblast growth factor and other ointments. 1. Recombinant bovine basic fibroblast growth factor gel: this product on the epithelial cells, dermal cells, fibroblasts and other cells, has the role of repair and regeneration, clinical used for wound repair, long-term use can also be used to improve the appearance of depressed scars. It is prohibited for those who are allergic to this product, and the safety of the drug for pregnant and lactating women has not been determined. 2. Recombinant human acidic fibroblast growth factor gel: this product has the effect of promoting proliferation and differentiation of mesoderm and ectoderm-derived cells, which can promote wound healing and improve the appearance of depressed scars. There may be skin rash, mild fever and wound pain and other adverse reactions after use, which will be relieved after stopping the drug, and is contraindicated in allergic patients. Patients are advised to follow the doctor’s instructions strictly when using the drug, and not blindly self-medication. Comprehensive treatment to improve depressed scars is more effective, and those who are willing to be treated are advised to go to the dermatology department of a regular hospital, and follow the doctor’s instructions to improve depressed scars by combining local filler therapy, laser therapy and other methods.