The invention belongs to the technical field of metallurgy, and particularly discloses a production method of a hot-rolled steel strip for a cold-rolled thin-walled tube, which prepares products with relatively high tensile strength and elongation. The method comprises the steps of steel billet preparation, steel billet heating, hot rolling, cooling and coiling, wherein the prepared steel billet comprises the following chemical components by weight percent: 0.04 to 0.07% of C, 0.06 to 0.10% of Si, 0.2 to 0.25% of Mn, 0 to 0.025% of P, 0 to 0.025% of S, 0.01 to 0.015% of V, 0 to 0.005% of Ti, 0 to 0.03% of Cr, 0 to 0.03% of Ni, and the balance being Fe and unavoidable impurities; in the steel billet heating step, the steel billet heating temperature is 1150 to 1180 DEG C, and the heating time is 1 to 3 hours; in the hot rolling step, the primary rolling temperature is controlled to be 1150 to 1160 DEG C, and the finish rolling temperature is controlled to be 870 to 950 DEG C; in the cooling step, post-rolling forepart laminar flow water cooling is adopted; and in the coiling step, the temperature is controlled to be 650 to 680 DEG C. According to a steel strip product obtained through the method, the yield strength is 300 MPa or ablve, the tensile strength is 380 MPa or above, the elongation is 40% or above, and good cold bending property and welding performance are achieved.