Insufficient breast milk can be remedied by promoting lactation, joint artificial feeding and adding complementary food. 1. Promote breast secretion: mothers should ensure nutrition, appropriate warm compresses on the breasts before breastfeeding, drink more soup, let the baby suckle more, keep a happy mood, avoid stress, etc., which is conducive to promoting lactation. 2. Joint artificial feeding: If breast milk is insufficient, joint artificial feeding is available. Generally within 6 months, you can use complementary feeding method, that is, each time the first breastfeeding, to be sucked on both sides of the breasts empty and then use formula milk to make up for the lack of breast milk. 3. Add complementary foods: After 6 months, if the baby’s breast milk is insufficient, it can be supplemented by adding complementary foods. You can start by adding rice powder and fruit puree gradually. If there is any discomfort, it is recommended to consult a doctor in time for diagnosis and treatment.