The technology-based intellectual property valuation practice always meets the dilemma that same valuation object adopted a different valuation method by the different valuation organization would get a very different analyzing result. How to ensure the rationality of the valuation method is still the key point of the process and not yet fully solved out. Based on analytical hierarchy process, this paper brings forward a valuation methods choice model of technology-based intellectual property, which solved out the choice and suitability of different valuation methods such as the income method, the cost method and the market method in different valuation environment. Taking a case of technology-based intellectual property valuation into the model, the result shows that the income method is better than the other two and the last one is the cost method.