Total solar eclipse, total solar eclipse how many years?

There is no fixed cycle, maybe once every few hundred years, maybe once every few decades or years.

See for yourself what China has said in recent years.

March 20, 2034 Southwest Tibet

September 2, 2035 Yecheng, Ruoqiang, Yumen, Wuhai, Hohhot, Zhangjiakou, Hebei, Beijing, Jixian, Tianjin, and Southwest Liaoning in Inner Mongolia.

● On April 20, 2042, Zengmu shoal (except northwest Xinjiang, partial solar eclipse can be seen everywhere).

● On April 30, 2060, Kashgar, Korla, Yumen, Lanzhou, Xining, Qinghai and Xi 'an in Gansu.

● August 24th, 1963: Hinterland of Taklimakan Desert in Xinjiang, Hami, Holingol, Erenhot, Tongliao, Changchun and Yanji in Inner Mongolia.

April 1 1, 2070 Xisha Islands, southern Tainan.