Skill. Picking your ears, as the name implies, is picking your ears. It originated from the folk, and it is the livelihood of some craftsmen. Now, it has evolved into a leisure way for modern people to relax. The skill of ear picking is the most difficult to learn. It should bring relaxation to customers without hurting their ears. Frequent or long-term ear removal will cause external auditory canal injury. If the ear spoon is inserted too deep, it will damage the eardrum and may lead to perforation of the eardrum. In addition, ear collection in non-medical institutions can not be strictly disinfected, which is easy to cause cross infection and may lead to bacterial or fungal otitis externa.