Hefei Yikangtang Health Center can't make an appointment at all, and most of the clerks have a bad attitude and are not allowed to refund, so it's not very good.
If you buy a service in a physical store and don't return it, you can negotiate with the merchant. If there are serious problems in the quality of goods and the merchants still refuse to return them, they may ask the consumers' association for mediation. If all these methods fail, consumers can only consider bringing a lawsuit to the court.