Because cashmere fiber is finer than wool, cashmere fabric is easy to pilling when wearing, and the cohesion between fibers is poor; Cashmere yarn has low strength and poor firmness compared with wool. Avoid contact with hard objects when wearing it; Because cashmere fiber is easy to absorb moisture and be eaten by insects, it should be washed and folded properly and placed in a suitcase with moth-proof agent or a plastic bag with several holes.