四画直的选拔晋升及相关其他情况按唐代直官制度,直官的来源,可以概括为以才人直。有本色直与外司直两种,外司直的补授者为吏部。吏部补授直司与补其他官不同,直司的补授标准不是身、言、书、判,而是先由各色人“请射”,自荐才于吏部,有司考以专业才能,因才授之。此外,直官还有他官荐直,皇帝自召直等,集贤院中画直自然不会例外。如:“开元五年十一月,敕于秘书省、昭文馆,兼广召诸色能书者充,皆亲 Straightforward selection and promotion of four paintings and other related conditions according to the Tang official system, straightforward sources, can be summarized as a talent straight. There are two kinds of straight and straight outside the Secretary straight, foreign direct subsidies for the Bureau of Li. Bureaucratic compensation and direct division is different from other departments. The standard of direct division is not body, language, book, sentence, but first by all kinds of people, “please shoot”, recommended only in the Ministry of officials, Give it. In addition, direct officials and his officials recommend straight, the emperor since the call straight, Jixian hospital painting is no exception. Such as: "Kaiyuan five years in November, 敕 in the provincial government, Zhao Wen Museum,