To provide a mounting structure of a shock absorber, which suppresses the vibrations of a cargo bed, without increasing weight and cost.

Each of right and left vehicular shock absorbers 11 includes an outer cylinder mounting part 18b coupled to the lower end of a shock absorber mounting member 8, and a rod mounting part 17b coupled to the mounting part 3c of a leaf spring 3, and attenuates the vibrations of a chassis frame 2 to a rear axle 4. Each of right and left shock absorbers 12 for cargo beds includes a rod mounting part 19b coupled to a cargo bed side mounting part 15, and an outer cylinder mounting part 20b coupled to the upper end of a shock absorber mounting member 8, and attenuates the vibrations of the cargo bed 9 to the chassis frame 2.