Patients with arm soreness, numbness and swelling, the common clinical causes are mainly the following: a. Continuous local arm pressure can cause local muscle ischemia, hypoxia and cause symptoms of soreness, numbness and swelling. At this time, the local compression needs to be lifted, appropriate massage, massage, hot aman pack external compresses to improve the performance of local tissue ischemia, hypoxia, most patients can quickly improve the discomfort of arm soreness, numbness, swelling symptoms. Second, if the patient has vascular lesions on one arm, such as venous thrombosis or arterial incomplete occlusion, it will also cause the symptoms of soreness, numbness and swelling of the affected limb. Patients need to improve the vascular ultrasound or angiography examination of the arm to clarify the specific situation of the local vascular lesion, and perform the treatment of the vascular lesion as soon as possible, which can improve the symptoms of local soreness, numbness and swelling.