“Runmu Xiaoyao Powder may downregulate the activity of TLR4/MyD88/NF - κ B signaling pathway in the cornea, lacrimal gland, and meibomian gland of mice with dry eye liver meridian stagnation and heat syndrome, inhibit inflammatory response, and reduce ocular surface tissue damage. Researchers have established a mouse model of dry eye liver meridian stagnation and heat syndrome, explored the mechanism of action of Runmu Xiaoyao Powder, and provided a new solution for the treatment of dry eye with traditional Chinese medicine.”