Dongao Ling Xue Capsule is not sold separately, but only for students who buy D listening class. Students in the whole network can enjoy 5 capsules for free in each subject.

Dongao generally refers to Dongao Accounting Online, which is the website of Dongao Times Education Technology Co., Ltd. (hereinafter referred to as Dongao) and a distance education and training service provider for accounting practitioners in China. Dongao is committed to serving candidates in all directions, paving the runway with the platform and achieving dreams with quality. Teachers are the core strength of the company's development, and the company has gathered a lineup of famous accounting teachers with domestic accounting titles and CPA training. They have many years of teaching and proposition experience, studied the contents of the syllabus and textbooks in depth, and are familiar with the development and changes of examination propositions, and have been active in the front line of accounting examination counseling.