To deal with Wan Wen chicken claw bone, you need to select chicken claw bone first. You can saw off both ends of the leg bones, cut the leg bones into appropriate shapes with an angle grinder, remove the residual meat on the surface of the leg bones with metal balls for washing dishes, and buy 4 bottles of medical hydrogen peroxide for disinfection. Wan Wen refers to Four Treasures of the Study and all kinds of stationery derived from him. These stationery have different shapes, are carefully carved, can be used and rewarded, and become handicrafts displayed in the study and case.