The incident happened at the intersection of 67th and Dicks Avenues just after 11:00 a.m.
Medic 19 transported the 7-year-old girl to Children's Hospital of Philadelphia in stable condition.
According to Septa spokesman Andrew Busch, the accident involved the Route 108 Bus. The child was riding a bike when the accident happened.
The girl's injuries appear to be non-life threatening.