Beginning of spring is not only the first of the 24 solar terms, but also an important festival. Astronomically speaking, it marks the beginning of spring. The solar term in beginning of spring usually begins on February 4th or 5th and ends on February19th or 20th. Beginning of spring, like Changsha, beginning of autumn and beginning of winter, is a solar term reflecting seasonal changes. Beginning of spring is a slightly turning solar term. Although this turning point is not obvious, the trend is that the weather begins to pick up, the coldest period is basically over, and people begin to smell the breath of early spring. [ 18]
According to the four climatic seasons, Tomb-Sweeping Day in the northeast and northwest is in spring, the vernal equinox in North China is in spring, the middle and lower reaches of the Yangtze River are in spring before and after the earthquake, and the rain in the southwest is in spring. Only beginning of spring solar terms in South China can be regarded as beginning of spring. [32]
After beginning of spring, the sun be the spirit rises and everything forms. In line with the characteristics of spring, we should pay attention to protecting yang in health preservation. In order to protect the yang, we should keep in good health from the aspects of diet, daily life, psychology and exercise.