Patients with superficial phlebitis, limb local swelling, pain, increased walking, painful palpable cord-like hard bar or beaded nodules. Deep phlebitis patients with sudden onset, limb swelling was depressed, skin Chenganhongse, the extensive venous effort Zhang, or varicose well telangiectasia; late changes in nutritional disorders associated with stasis dermatitis, pigmentation or superficial ulcer, femoral, tibial circumference compared with the healthy limb rough 1cm walking throat aggravated repose alleviate venography visible limb deep vein stenosis or blockage.