The purpose of this study is to explore the clinical efficacy of intradermal acupuncture in the treatment of ocular surface diseases after Intractable Facial Paralysis, and to seek effective and convenient treatment for ocular surface diseases after intractable peripheral facial paralysis. The main question it aims to answer is ： Will the intradermal acupuncture intervention effectively reduce the OSDI score ? The researchers compared the intradermal acupuncture with the placebo-needle to observe whether the intradermal acupuncture could better improve the symptoms.