Multifunctional transportation and storage flexitank having container body protection function

A type of liquid bag with the function of box protection for multi-functional transportation and storage, comprising:

• a box body, non-independent box body liquid bag, and independent box body liquid bag;
• wherein the non-independent box liquid bag includes an upper liquid bag body, liquid bag upper port valve, liquid bag lower port valve and lower liquid bag body;
• wherein the box body is designed with an open end and is set inside the lower liquid bag body;
• wherein the lower liquid bag body is located in the open end of a box side of the liquid bag valve and the lower liquid bag body is not in contact with a side wall of an inner cavity of the box;
• wherein the lower liquid bag body is set above the upper liquid bag body, and four surrounding sides of the lower liquid bag body and the upper liquid bag body are concave to the middle;
• wherein the top surface of the lower liquid bag valve is set with the upper liquid bag valve;
• wherein the independent box liquid bag includes independent liquid bag and independent liquid bag valve;
• wherein four surrounding sides of the independent liquid bag are concave to the middle and the independent liquid bag of a top surface is set independent liquid bag valve.