Abstract: The technology of domestic cooling-transportation natural gas is still on preliminary exploration stage. The thesis illustrates with Shanshan-Urumqi pipeline, based on natural gas transportation pipeline hydraulics and thermodynamics calculation formulas, quantitatively analyzes the feasibility of out-station temperature regulation to strengthen natural gas transportation capability, comes to the following conclusions that: (l)when out-station temperature is above 70℃ or below 56℃, the out-station temperature regulation function has little effect on the flux, when the temperature is excessively high or low, it does not make for strengthening natural gas transportation; (2)when the out-station temperature is between 70℃ and 56℃, the flux increases slowly with the temperature decreases; (3) when the out-station temperature is 65℃ and 56℃, the pipeline transportation capability increases 6. 5%. Finally, according to the calculation result, in allusion to the pipeline operation and administration, several suggestion are put forward, in addition to some factors that should be considered in in-depth investigation of the problem.