Laptop multifunctional knapsack provided with folding table and suitable for field operation

The invention provides a multifunctional laptop knapsack suitable for field operation and provided with a folding table, and relates to the technical field of multifunctional knapsacks, the multifunctional laptop knapsack comprises a laptop bag and a table body mechanism, the table body mechanism is arranged in the laptop bag in a foldable mode, the table body mechanism comprises a plurality of table plates and table legs, the table plates are detachably assembled, and the table legs are arranged on the table plates. The desk legs are detachably arranged below the desk plate, an installation frame is arranged in the computer bag, straps are arranged on the outer side of the back face of the computer bag, a waterproof area, a material area and a computer area are sequentially arranged on the computer bag from the front face to the back face, and a plurality of desk plate storage areas are arranged in the computer bag. The table board storage areas are arranged on the inner sides and the outer sides of the mate