File storage method and electronic device

A non-transitory computer storage medium storing a computer executable instruction, wherein the computer executable instruction is set for:

• receiving a file to be stored;
• determining a currently stored folder with a lowest storage priority after the storage space of a disk exceeds a preset threshold;
• and
• selecting and deleting a file from the determined folder, and storing the file to be stored in the disk.

An electronic device, comprising:

• at least one processor;
• and
• a memory communicably connected with the at least one processor;
• wherein the memory stores instructions executable by the at least one processor, and execution of the instructions by the at least one processor causes the at least one processor to:
• receive a file to be stored;
• determine a currently stored folder with a lowest storage priority after the storage space of a disk exceeds a preset threshold;
• and
• select and delete a file from the determined folder, and store the file to be stored in the disk.