The highest authority of a joint stock limited company is

Legal analysis: The highest authority of a joint stock limited company is the shareholders' meeting.

Legal basis: People's Republic of China (PRC) Company Law.

Article 98 The shareholders' meeting of a joint stock limited company shall be composed of all shareholders. The shareholders' meeting is the authority of the company and exercises its functions and powers in accordance with this Law.

Article 100 The shareholders' meeting shall hold an annual meeting every year. In any of the following circumstances, an extraordinary general meeting of shareholders shall be held within two months:

(1) When the number of directors is less than two thirds of the number stipulated in this Law or the articles of association.

(2) When the company's uncompensated losses reach one third of the total paid-in share capital;

(3) The request of shareholders who individually or collectively hold more than 0/0% of the shares of the company/KLOC.

(4) When the board of directors deems it necessary;

(5) The time proposed by the board of supervisors.

(6) Other circumstances stipulated in the Articles of Association.