1, the main class refers to the class that is approved by the Party Committee at the same level and incorporated into the training plan and financial budget of the Organization Department, and is held in the Party School, mainly including refresher courses, training courses and special seminars.

2. Middle-aged class is the abbreviation of training class for young and middle-aged cadres, and it is a training class for China * * * production party to train reserve cadres. The middle-aged classes at the central level mainly train provincial and municipal leading cadres, mainly in the Central Party School and the Party's three major cadre training colleges: China Pudong, Jinggangshan and Yan 'an Cadre College.