Tianchang is a word in Northeast dialect, which generally means sunny and sunny. Sometimes it is also used to describe a relatively smooth thing or state. The word "everlasting" is widely used in daily life and often appears in literary works and poems.

In the daily life of the northeast people, Tianchang is a common word used to describe the days with better weather. Northeasters usually admire "Today is forever!" when they see sunny weather. . In addition, in other aspects such as work, study and life, the word "everlasting" can also be used to describe the smooth progress of things.

Tianchang is not only a word, but also has profound cultural connotation, representing the pursuit and yearning for beautiful things. In the literary works of the Northeast, there are often descriptions of "Tianchang", such as "Tianchang Road under Changbai Mountain". In these works, Tianchang represents a kind of spiritual pursuit and ideal belief. Tianchang is also the life attitude of the northeast people. They often greet their future life with an "optimistic and positive" attitude.