It is also ok to put pork liver powder and milk powder together, as long as he drinks it. Moreover, the baby should increase complementary food for seven months, and it would be better to put pig liver in rice porridge and rice noodles. In addition to pork liver powder, you can also give your baby minced meat, egg yolk, red date porridge, black fungus, vegetables and so on. At the same time, give the baby some iron supplements half an hour after meals.