A small nipple growth may be pregnancy Montgomery’s nodule, may also be flat warts or nipple redundancy, should be dealt with according to the cause of the disease. 1. pregnancy montana nodules: women pregnant if there is no pain, itching, usually not obvious, and pregnancy may increase, this does not need special special treatment, general observation can be. 2. flat warts: there is a slight itching sensation but the surface is relatively smooth, this is usually caused by human papillomavirus infection, it is generally recommended that you should use physical methods to remove, such as laser or removal surgery. 3. Nipple superfluous organisms: if relatively small can be regularly observed, when the superfluous organisms are relatively large is usually taken to surgical excision treatment. It is recommended to go to the relevant specialized departments for examination and corresponding treatment.