Edema in the head after hair transplantation may be due to slower basic metabolism, there may also be local infection, need to clarify the cause of reasonable treatment. 1. Slow basic metabolism: hair transplant surgery requires local injection of anesthetic and saline in the scalp, after the completion of the surgery, due to individual metabolic function differences, some patients with slow basic metabolism, the injected drugs will be in the scalp to produce accumulation, usually without medication, 3 to 5 days will subside on their own. 2. Local infections: If you don’t take proper care of your hair transplant, the local skin will be infected by bacteria, resulting in inflammation of the hair follicles, which will cause edema, and you can apply mupirocin ointment, fusidic acid cream and other medications to treat it, and if necessary, you can take cephalosporin and other antibiotic medications orally. Edema in the head after hair transplantation, it is recommended to consult a doctor in time, under the guidance of the doctor for standardized treatment. Drugs need to be used in accordance with the doctor’s instructions, do not blindly use their own medication.