What Causes Vomiting Up Of Milk In An Infant?

my baby vomits a lot hes running in 10 months and whenever i give him one glass milk he vomits all in between .and inspite of it he doesnt want to have milk at all......hes takes it with least interest..what should i give him as what he should take with great interest and his teeths are also coming and he has grown thin due to that ...suggest me more his time table of feeding and heigene tooooo...and ur good suggestions.