Swelling and pain in the dorsum of the foot can be seen in the following diseases: first, local soft tissue injury caused by trauma, with obvious pain in the acute stage, the limb should be elevated, and you can also choose pressure bandaging, local ice can reduce the patient’s discomfort; second, for patients with fractures caused by trauma, they will also show local pain, have obvious restrictions on movement, and even have deformity. The diagnosis can be confirmed by X-ray examination, and effective external fixation and, if necessary, internal fixation surgery should be performed; third, patients with varicose veins in the lower limbs will have swelling of the foot and the boot area of the lower limbs after activity, accompanied by significant pain, and patients will also show elongated and tortuous expansion of the superficial blood vessels of the lower limbs, and even local phlebitis, and patients will also have pain and fever symptoms.