The most common diseases that cause tingling in the navel are the following three: 1. Inflammation of the navel, if the patient scratches the navel with his hands, it can lead to a break in the skin of the navel, which can easily produce an infection. If the infection occurs inflammation will cause belly button stinging pain, requiring local disinfection treatment as well as anti-inflammatory treatment. 2, umbilical ureteral cysts, manifested as a swelling at the navel, swelling often combined with pain, sometimes local redness, rupture. Patients are advised to improve ultrasound examination and further surgery is required. 3. Umbilical hernia, manifested as a swelling at the navel, which can be retracted, is clinically called a reversible swelling and is often associated with pain. Patients are advised to improve ultrasound examination and further surgery is needed after clear diagnosis.