Folding mobile phone case

A folding mobile phone case comprising an upper casing, a lower casing and a soft connecting portion, wherein

• one end of the soft connecting portion is connected to the upper casing and the other end of the soft connecting portion is connected to the lower casing, a contact surface of the upper casing and the lower casing is provided with a joint portion, and the upper casing and the lower casing are joined by the joint portion to form a plane;
• and
• the upper casing has a size corresponding to that of the upper surface of the folding mobile phone, the lower casing has a size corresponding to that of the lower surface of the folding mobile phone;
• a flexible protection portion is disposed at a lower left corner and an upper left corner of the upper casing, and a flexible protection portion is disposed at a lower right corner and an upper right corner of the lower casing, the flexible protection portion has a hollow structure, and a rounded corner thereof is made of a flexible plastic, and a straight line thereof is made of a hard plastic, and the hollow structure is provided with dichloromethane liquid, and the dichloromethane has a volume smaller than that of the hollow structure.