what is Eosinophils in blood high mean

What is the normal range of Eosinophils in blood ?
30 - 350 
What is high  Eosinophils count in blood means ?
 Eosinophils is one type of white blood cells that treat and fight infections and works along with your immune system , and high  Eosinophils means you got one the following conditions :
1. infection 
2. allergic reaction
What to do next ?
1. consult your doctor 
2. doctor will check other details of your test 
3. if its compatible with an infection , doctor will do more test and prescribe antibiotics