The main reason for eating taro mouth numbness is that taro contains certain alkaline substances, such as saponin, this alkaline material in the case of uncooked contact with the skin easily lead to allergic phenomena, will appear numb symptoms, the need to take relief according to the severity of the patient’s condition. 1, warm water gargle: after the symptoms to immediately stop eating, while gargling with warm water, slowly saponin will lose activity, mouth numbness symptoms will improve; 2, vinegar gargle: because saponin is a substance that can be dissolved in vinegar, or in the lips to apply some vinegar gargle. symptoms will improve; 2, vinegar gargle: because saponin is a substance that can be dissolved in vinegar, for mild symptoms, you can choose to gargle with vinegar or apply some vinegar to the lips to help relieve symptoms; 3, white wine cleaning: white wine contains ethanol, can dissolve the saponin in taro, the white wine applied to the numb parts of the mouth can relieve symptoms; 4, medication: symptoms are not seen Relief and continue to aggravate the person, you can take some allergy drugs, such as loratadine, benadryl and other anti-allergy drugs to treat the symptoms of mouth numbness. In general, when eating taro to ensure that taro cooked, allergic to taro or allergy-prone people as little as possible to contact taro to avoid allergies.