Itching after bathing is considered to be related to external stimuli, urticaria, atopic dermatitis and other factors. It is recommended to change the detergent, do not bathe for too long, and if necessary, can be treated with medication. 1. External stimuli: bath water temperature is too high, the number of baths is too frequent, may cause skin irritation, resulting in skin itching. It is recommended that the number of baths should not be too frequent, do not use too hot water scalding, can help relieve the symptoms. 2. Urticaria: patients with allergies, just replaced the new bath products, the ingredients in the allergy, resulting in itchy skin. It is recommended to use water to rinse off the shower gel, oral loratadine, levocetirizine hydrochloride, olopatadine hydrochloride, etc., can help relieve itching. 3. Allergic dermatitis: a perverse reaction that occurs after contact with substances to which one is allergic, such as shower gel, can be treated with localized glycerine lotion, together with antihistamines, such as levocetirizine hydrochloride and other drugs. It is recommended to pay attention to skin care, do not scratch stimulation. Choose appropriate bathing supplies, pay attention to the adjustment of water temperature. If necessary, under the guidance of the doctor to give the appropriate drugs, can help relieve itching, do not self-medication.