Laishui, Hebei. According to the material of Hericium erinaceus, Hericium erinaceus is Laishui, Hebei Province. The bracelet made of Longyan is a kind of Wan Wen Hericium erinaceus walnut. Hericium erinaceus in Longyan is a kind of walnut, which looks like a dragon armor and has a flame on its head. The majority of nuclear friends gave it a good name according to its appearance resembling a monkey head.