Ordering picoseconds on Meituan is unreliable. Platforms like Meituan started out as local life services and have certain traffic and diversion advantages. The medical beauty market is huge, but it is a mixed bag. Chaos in the industry such as counterfeit medicines and parallel imports, unlicensed doctors, and unlicensed clinics has always existed. Whether drugs are safe, whether the institution's services are safe, and whether doctors are qualified have always been industry issues. Picosecond refers to picosecond laser, which is a type of laser technology that can solve a variety of skin problems and is widely used in dermatology.