If you want to improve the symptoms of a wide jawline, you can take medication, physical therapy, surgery, and general measures. 1. Medication: Wide jawline may be caused by the enlargement of masticatory muscles, you can choose to inject botulinum toxin type A and other medication. It can effectively block the connection between nerves and muscles to narrow the jawline. 2. Physical therapy: Wide jawline can also be caused by excessive fat accumulation, you can choose laser lipolysis and other physical therapy, which can lead to fat rupture and liquefaction, so that the skin can be tightened, thus improving the symptoms of wide jawline. 3. Surgery: Surgical treatments such as bone cutting and osteotomies can be used to improve the symptoms of a wide jawline. This is a surgical procedure where a part of the jawline is cut off to effectively improve the problem of a wide jawline. 4. General Measures: You can avoid eating hard and difficult to chew food in order to avoid the phenomenon of wider and wider jawline. If there is a wide jawline, it is recommended that patients go to regular hospitals and under the guidance of professional doctors for standardized treatment.