You must not drink slimming tea during lactation. You are breastfeeding, yes, the baby is still breastfeeding. If you drink slimming tea at this time, it will affect your, um, breast milk. Moreover, it will have a great impact on the baby. There are all kinds of traditional Chinese medicine ingredients in slimming tea, and he will laxative. You will have loose bowels. Yes, milk is bad for mother.