1. Legal registration: Miaoqiantang is a registered trademark, which means that Miaoqiantang has been examined and approved by relevant departments and meets the requirements of laws and regulations.

2. Regular channel sales: Miaoqiantang products are sold in regular pharmacies or online pharmacies. These channels have strict supervision mechanisms to ensure the quality and safety of products.

3. Clear ingredients: The ingredients of Miaoqiantang products are clearly marked on the packaging, which helps consumers to understand the ingredients and efficacy of the products and make more informed purchase decisions, so Miaoqiantang is not a fake medicine.