At present, the etiology is not fully understood, which may be related to head trauma, Meniere's disease (Meniere's syndrome), labyrinthitis, otitis media, vestibular neuritis, vertebrobasilar artery insufficiency and so on. Most of them have no clear cause. Armillaria mellea is a naturally growing plant fungus with a history of thousands of years. It is the largest and longest-lived strain in the world and can survive for hundreds of years. It is called flat hazel.
Hazelnut mushrooms are mainly distributed in Changbai Mountain forest area, and are called "delicious food" and "the fourth treasure in Northeast China". It is one of the few edible fungi that can't be cultivated artificially, so people usually harvest it in the mountains in July and August, remove the soil, dry it and eat it or use it as medicine, so the best Armillaria is naturally picked.
Armillaria mellea is a kind of fungus powder extracted from wild hazel mushroom in Changbai Mountain forest area in Northeast China, and this strain has obtained many invention patents in China. So Armillaria mellea is also called the fungus with the richest medicinal value.
Scientific research has confirmed that Armillaria mellea has a good effect on dizziness patients caused by hypertension, vertebrobasilar insufficiency, Meniere's syndrome, autonomic nerve dysfunction and other diseases; It is also effective for numbness of limbs, insomnia, tinnitus, apoplexy sequelae, etc.