Compact connecting structure of massage stick

The utility model relates to the technical field of massage tools, in particular to a compact connecting structure of a massage stick, which comprises a first shell and a second shell, an open end and a closed end are respectively arranged at two ends of the first shell, and a plurality of upper semicircular plates and lower semicircular plates are parallelly arranged at one end, close to the closed end, of the first shell at intervals. The upper semicircular plates and the lower semicircular plates are arranged in the length direction of the first shell, the upper semicircular plates and the lower semicircular plates are arranged in a staggered mode, the upper semicircular plates and the lower semicircular plates are provided with upper grooves and lower grooves respectively, and containing spaces used for containing working parts are formed between the upper grooves and the lower grooves. A plurality of fixing grooves are formed in the inner wall of the second shell in parallel at intervals, the fixing groo