Atopic dermatitis is not an infectious disease, if there is no obvious skin lesions, you can go to the swimming pool, but preferably cold water swimming. If the lesions are obvious, with vesicles, oozing, crust-like manifestations, it is recommended to do a good job of skin care, do not go swimming to avoid infection. The cause of atopic dermatitis has not been fully clarified, and it is currently believed that heredity, environment, infection, mental stress, chemicals, physical stimulation, excessive cleaning, rubbing the skin, etc., may induce atopic dermatitis. Patients are mainly characterized by eczema-like dermatitis, dry and itchy skin. Atopic dermatitis is not contagious, and if there are no obvious skin lesions, you can swim in swimming pools. Atopic dermatitis can occur in all parts of the body, pediatric atopic dermatitis is mainly on the face mostly, the rash is often symmetrical. If often scratched and irritated, friction, may form vesicles, oozing, crusting and other polymorphic lesions. If the lesions have obvious oozing, it is recommended to pay attention to skin care, do not go swimming is better, to avoid infection. Atopic dermatitis is a chronic skin inflammation, if the itching is obvious to the daily life of work, or serious skin lesions occur bacterial infection, it is recommended to hospital dermatology, standardized treatment under the guidance of the doctor.