It stands to reason that there should be few professional coser in China. Most people have other careers besides coser, such as makeup artist, photographer and painter. In addition to the exhibition invitation, coser also makes profits by selling photo albums, signing sales contracts and publishing personal records. However, these returns require huge upfront investment: props, costumes, photography, venues, and later stages. It can be said that it is also making hard money. In addition, the domestic coser circle does not have a good platform to integrate resources, and most of them are alone. But many times, their own interests cannot be fully guaranteed. This is the status quo.