How can i stimulate breast milk?

It is possible: Stimulating the nipple can effectively bring down a let down of breast milk

Stim. breast milk: Try pumping after nursing for additional stimulation. Drink plenty of fluids, get rest and take in adequate calories. Finally, google the word "galactogogue" - these are substances that will stimulate milk production. Some are natural things, some are prescription medications you would need from a doctor.