There are a lot of small particles on the ear and itchy phenomenon may be the outer ear eczema, may also be caused by folliculitis, should be based on different causes to take different treatment measures. 1. Eczema of the outer ear: due to the body due to allergy or inflammation stimulation and other factors induced by the phenomenon of a lot of small particles on the ear and itchy, it is recommended to avoid contact with allergens, avoid spicy stimulation or strong allergenic food. Oral antihistamines for treatment, such as loratadine, etc., local application of glycerite lotion. 2. Folliculitis: Inflammatory reaction caused by bacteria and other pathogens infecting the hair follicles, red papules or pustules centered on the hair follicles may appear, accompanied by local pain, itching and other symptoms, and ointments such as mupirocin ointment can be applied to alleviate the symptoms. If the above symptoms may also be other causes, it is recommended that timely hospital visits to identify the cause and take standardized treatment measures. Drugs must be applied under the guidance of a doctor.