Three-month Achilles tendon rupture wound does not heal may be infected, poor alignment or failure to comply with medical advice, patients can use topical medication and oral medication and medical treatment. 1. External drug treatment: Achilles tendon rupture three months wound does not heal may be due to wound infection or scarring. Patients can disinfect the wound with iodophor and apply fusidic acid to promote wound healing. If necessary, debride the wound. 2. Oral medication: If there is an infection, the patient can take antibacterial and anti-inflammatory drugs, such as penicillin, cephradine and other antibiotics under the guidance of the doctor. Antibiotics need to be taken under the guidance of a doctor. 3. Medical treatment: malalignmentIf the patient’s wound healing is slow due to malalignment, he can go to the hospital for wound examination and rehabilitation exercises, which can also effectively help wound healing. If the patient does not follow the doctor’s instructions or if the wound still cannot heal through the above methods, it is recommended that the patient seek immediate medical examination and, if necessary, surgical treatment.