Kids with bumps in the scalp may be scalp warts, lipoma, cranial osteoma and other reasons. 1. Scalp warts: the most common cause of bumps in children’s scalp is scalp warts, which is a disease caused by viral infection resulting in localized abnormal growths on the scalp, and requires surgical intervention if it continues to grow. 2. Lipoma: This is a benign tumor that originates from abundant fat cells within the scalp and usually enlarges slowly and can be considered for limited surgical treatment. 3. Cranial osteoma: this is also a benign tumor, originating from the skull, need to perform a cranial CT examination to clarify whether there is a tendency to intracranial growth, if so, need to be treated with surgery as soon as possible. In conclusion, children with bumps in the scalp may also be related to other causes, such as enlarged lymph nodes, sebaceous cysts, etc., you need to consult the doctor as soon as possible to clarify the diagnosis, and according to the cause of the appropriate treatment.