What does cold mean?

Palace cold is a general term for a series of diseases caused by exogenous cold pathogen or internal cold caused by spleen and kidney yang deficiency of human body, which stagnates in female uterus and damages the function of uterus. Its causes include congenital factors and acquired factors. Generally speaking, congenital factors can cause female congenital spleen and kidney yang deficiency due to premature birth, threatened abortion and other reasons. Spleen and kidney yang deficiency cannot well transport the moisture qi in the body, so internal cold accumulates. Acquired factors, such as catching cold, living for a long time, cold places, blowing air conditioning during menstruation, eating cold food, or being invaded by cold evil in winter, foreign cold evil condenses in the uterus and gets sick.