目的　探讨中药传统药性升降浮沉理论的形成方法。方法　分析试错法、直观法、归纳法、演绎法、直感类比法等试探法在中药传统药性升降浮沉理论形成过程中所发挥的指导性作用。结果与结论　试探法指导形成了中药传统药性升降浮沉理论 ,却容易导致对中药作用解释的简单化。 Objective To explore the formation method of traditional Chinese herbal medicine lifting and floating theory. Methods The trial-and-error method, visual method, inductive method, deductive method, direct sense analogy method and other heuristics played a guiding role in the formation of the theory of Chinese traditional medicine lifting and sinking. Results and conclusions The heuristic method guides the formation of the theory of traditional Chinese medicinal herbs lifting and sinking, but it easily leads to the simplification of the interpretation of the role of traditional Chinese medicine.