Without treatment, cuttlefish bone directly feeds the cat's throat, so cuttlefish bone should be boiled in water to soften it and make cuttlefish bone soup for the cat.
Cuttlefish bone generally refers to cuttlebone, which is the dry inner shell of cuttlebone or cuttlefish in sepiidae, mainly produced in Zhejiang, Jiangsu, Guangdong, Fujian and other places.