The quantum yield of photochemical process of diazophthoquinon system was studied by chemical analytical approach and dynamical method.The process of its calculation was introduced in detail.

• 采用化学分析法和动力学作图法对邻叠氮萘醌体系光敏剂的量子效率进行了讨论，详细介绍了计算量子效率的过程。