If you go through legal procedures and have a doctor's certificate, the prescription has passed the food and drug registration and been approved, you can sell Chinese medicine online, otherwise it is illegal;

Anyone who sells illegal drugs will be punished, which belongs to counterfeit drugs, drugs and non-drugs that are treated as counterfeit drugs according to the provisions of the Drug Administration Law. Whoever produces or sells counterfeit drugs, which is enough to seriously endanger human health, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also, or shall only, be fined not less than 50% but not more than two times the sales amount.