A cold during breastfeeding does not affect breastfeeding. Colds are mainly transmitted through the respiratory tract, not through breast milk. When you have a cold, you need to drink more water, take rest, take vitamin C supplements, avoid going to places with a lot of people, and open windows to make air convection, which can reduce the rate of mutual transmission. When breastfeeding your child, it is best to wear a mask and wash your hands regularly to avoid transmitting the infection to your child. When breastfeeding your child, it is best to wear a mask and wash your hands regularly to avoid spreading the infection to your child. If it is a wind-cold cold, you can take oral Chinese medicine, such as Zheng Chai Hu Drinking Granules, Typhoid Granules and other medicines to dispel wind and cold.