If ur  child is having  enlarged tonsills  and  no  repeated  episodes of  cough and  fever  Then  don't worry  Tonsills  size will decreases  atomatically  after 8yrs of life If ur  child  get  repeated  cough  and  fever  episodes  and  snoring at night  and  taking  breath  through  mouth  Then  its  better to operate ie  Remove  tonsills with  operation