Newborns 10 days genital edema, mainly considered with external injury, syringomyelia, inflammation and allergies and other factors. 1. external injury: the genital organs of newborns are hit by external force, which can lead to local soft tissue injury, and then edema, pain and other uncomfortable symptoms. 2. Syringomyelia: it can lead to edema and enlargement of testicles, and there is obvious hard lump on touch. 3. Inflammatory diseases: such as epididymitis, orchitis and other diseases, can lead to testicular edema, the phenomenon of obvious enlargement. 4. Allergy: allergy to diapers or contact with other allergens can lead to an allergic reaction in the genitals, resulting in symptoms such as genital edema. The cause of this symptom is relatively complex. It is recommended that the patient consult a doctor to confirm the diagnosis and follow the doctor’s instructions for treatment.