Portable outdoor painting and sketching luggage

The utility model discloses a portable outdoor painting and sketching case which comprises a first case body and a second case body, the first case body and the second case body are buckled and connected up and down, the upper end face of the first case body and the bottom face of the second case body are symmetrically provided with rectangular slide ways, and the rectangular slide ways are of through groove structures. The first box body and the second box body are of a rectangular hollow structure, a cylindrical fixing column is arranged in the second box body, a shock absorption plate is arranged in the second box body, a butt joint hole is formed in the bottom of the shock absorption plate and matched with the cylindrical fixing column, the upper end of the shock absorption plate is connected with a supporting plate A through a spring, and the lower end of the supporting plate A is connected with a supporting plate B through a spring. A concave through groove is formed in the inner wall of the second box