Boiling water burned thigh a week ago walking still hurts you can use some ointment for topical application, such as Jingwanhong burn cream, wet burn cream, etc. If necessary, you can apply bupivacaine to the affected area to reduce the pain. If the blisters are large and easily ruptured, you can use a sterile syringe to draw out the blister fluid. However, be careful not to remove the skin, and afterwards dress the area with burn ointment and change the dressing. Also, keep the affected area away from water to prevent infection. If the pain persists and does not get better, you need to go to the hospital for examination, to clarify the cause, and symptomatic treatment, in order to prevent other deterioration of the situation. In daily life to balanced nutrition, eat more vegetables and fruits, do not eat spicy and stimulating food, local do not get wet, to be the formation of wound scabs automatically fall off, do not pick the scabs.