Scrotal itching in two-year-old children may be related to scrotal eczema, scrotal inflammation, allergic dermatitis and other causes. 1. Scrotal eczema: it is often characterized by the appearance of pimples and papules on the basis of erythema of the skin, which may be accompanied by itching. 2. Scrotal inflammation: often caused by scrotal moisture or under the stimulation of inflammatory factors, scrotal skin erythema, itching, rash and other symptoms. 3. Allergic dermatitis: if children’s scrotum skin contact with allergens, can cause the body to have an immune response, can also lead to scrotum skin itching. There are many causes of scrotal itching in two-year-old children, and it is recommended that parents take their children to the hospital in a timely manner to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the condition to bring adverse effects on the body.