Needle-like pain on the body requires careful observation of the surface appearance of the skin.1. If there is an obvious break in the appearance, consider the pain caused by traumatic irritation, which is normal, and you can choose to use iodophor to disinfect and prevent infection, which will heal on its own and the pain sensation will gradually decrease.2. If there is a red blister-like change on the entire local skin surface, accompanied by needle-like pain, consider the infection of varicella-zoster virus The pain is neuropathic and radiating. If the skin surface does not have any obvious skin symptoms and the pain is mainly painful, it is considered to be herpes zoster, which is a special type of herpes zoster and needs to be treated with oral valacyclovir hydrochloride.