What exercise can i do bottom heel on foot pain?

Heel: Heel pain can sometimes resolve with rolling a ball or rolling pin under foot. Pain from a pinched nerve in back can refer to heel and should be evaluated by physician.

Possible fasciitis : May possibly be plantar fasciitis ... You can look up the stretches for that on the internet. If it's not, there's no harm in stretching. If the stretching doesn't help, get it looked at. The stretching should be therapeutic and diagnostic.