If the baby does not have enough breast milk at four months and refuses to eat milk powder, the specific treatment is as follows: 1. You can let the child keep trying fresh milk powder by changing different milk powder, some babies will have a milk powder that they refuse to eat, but will eat other types of milk powder, such as goat milk powder, etc. can be chosen. 2. You can increase the content of breast milk, you can let the mother drink more water, you can drink more soup or some The treatment to increase breast milk can be done by letting the mother drink more water, drink more soup or some herbal medicine to promote breast milk, and also by taking lactation techniques and massage. If the breast milk is still not increased, you can try to deal with it by adding supplementary food according to the baby’s appetite and appetite. If the baby’s spleen and stomach function is relatively good and there is an obvious need for food at four months, you can reduce the unnecessary trouble of not having enough breast milk by adding complementary foods.