Package cushioning material

A package cushioning material, comprising:

• a first buffer body and a second buffer body, wherein:
• the first buffer body is provided with a plug-in groove at one end thereof, the second buffer body is provided with a plug-in portion at one end thereof, and the plug-in portion is vertically connected to the plug-in groove and is bonded with the plug-in groove by a water-soluble adhesive,
• the first buffer body comprises a first primary buffer body and a first secondary buffer body, wherein, the first primary buffer body is arranged between two first secondary buffer bodies, the first primary buffer body is provided with first connecting portions facing the end surfaces of the two first secondary buffer bodies, the first secondary buffer body is provided with second connecting portions connected to the first connecting portions, the first connecting portion and the second connecting portion are bonded together by a water-soluble adhesive, and
• the second buffer body comprises a second primary buffer body and a second secondary buffer body, wherein, the second primary buffer body is arranged between two second secondary buffer bodies, the second primary buffer body is provided with third connecting portions facing the end surfaces of the two second secondary buffer bodies, the second secondary buffer body is provided with fourth connecting portions connected to the third connecting portions, the third connecting portion and the fourth connecting portion are bonded together by a water-soluble adhesive.