If you have a cold while breastfeeding, drink more water, take rest, and take vitamin C. When breastfeeding your child, it is best to wear a mask to prevent infection to your child. You can use ginger and white onion, decocted in water as a tea substitute, which has the effect of spicy warmth and dispersing the surface, and can treat wind-cold colds; if it is wind-heat colds, you can use Sichuan scallop and mother pear, decocted in water as a tea substitute, which has the effect of clearing heat and moistening the lung, or you can take oral Chinese medicine soup. If it is a cold with wind-cold, you can use Jing Fang Da Xie Tang plus or minus, which has the effect of dispersing cold with pungent warmth; if it is a cold with wind-heat, you can use Yin Qiao San plus or minus, which has the effect of dispersing cold with pungent coolness; if it is a cold with heat and dampness, you can use Xin Jia Xiang Elsholtzholtzini Drink plus or minus, which has the effect of dispersing dampness with heat and dampness. If the cold is severe and the cough is strong, it is recommended to consult the respiratory medicine department.