Poor qi and blood will cause insufficient breast milk. According to Chinese medicine, milk is produced by qi and blood, and when qi and blood are insufficient, there is no source of milk production, which will further lead to insufficient breast milk. Insufficient breast milk caused by poor qi and blood mainly manifests itself in the form of little or even no milk after delivery, thin milk, accompanied by symptoms such as colorless face, fatigue (lack of spirit), tiredness (fatigue), loose stools (loose stools that are not in shape), pale white tongue with thin white moss, and a weak pulse. The treatment of insufficient breast milk caused by poor qi and blood should be to tonify qi and nourish blood, with the aid of lactation, and can be used with the addition or subtraction of Tonglidan. It is composed of ginseng, astragalus, angelica, maitake, platycodon, mouton, etc. It has the effect of tonifying qi and blood to promote breastfeeding. If insufficient breast milk is caused by poor qi and blood, it is recommended to go to a regular hospital for treatment under the guidance of a professional doctor.