Symptoms of slight fracture on the instep mainly include swelling and pain on the instep, and in serious cases, there can be limitation of activities when walking. 1. Swelling: there is obvious swelling at the site of bone fracture, due to local soft tissue damage and local congestion, which is mainly manifested as shiny skin, or even blisters and blood blisters, and the color of the skin will be blue and purple, bruises. 2. Pain: there will be severe pain in the cracked part of the bone, and the pain will be aggravated when moving the foot, and the pain will be aggravated when pressing the swollen part, and the severe pain can lead to the limitation of the patient’s activities when walking, and affect the activities of the foot and ankle joints. If there is severe pain in the back of the foot, X-ray examination can be performed to confirm the diagnosis of dorsal fracture and timely treatment.