简简单单的几味药，按照配比组合起来，大有功效。
伤寒经方，真武汤，由附子、茯苓、白术、白芍、生姜等药组成。
用于治疗肾阳虚证。肾阳虚是中医的一种证候，主要表现为腰膝酸软、畏寒肢冷、夜尿频繁、男性阳痿、女性宫寒不孕等症状。这些症状都与肾阳不足、温煦失职、气化失权等有关。真武汤通过附子等药的温阳作用，以及茯苓、白术等药的健脾利水作用，旨在温阳利水，从而改善肾阳虚的症状。
真武汤的用药思路是针对肾阳虚证的病机特点，采用温阳散寒、健脾利水的治疗方法，以达到改善肾阳虚症状的目的。
A few simple medicines, combined according to their proportions, are highly effective.
Shanghan Jing Fang, Zhenwu Tang, consists of aconite, Poria cocos, Atractylodes macrocephala, white peony, ginger and other herbs.
Used to treat kidney yang deficiency syndrome. Kidney yang deficiency is a syndrome in traditional Chinese medicine, mainly manifested as soreness and weakness in the waist and knees, chills in the limbs, frequent nocturia, male impotence, and female infertility caused by cold uterus. These symptoms are all related to insufficient kidney yang, dereliction of duty due to warmth, and loss of power due to qi transformation. Zhenwu Tang aims to improve the symptoms of kidney yang deficiency by warming yang and promoting diuresis through the effects of Fuzi and other medicines, as well as the spleen strengthening and diuretic effects of Poria cocos and Atractylodes macrocephala.
The medication strategy of Zhenwu Tang is aimed at the pathogenesis characteristics of kidney yang deficiency syndrome, using the treatment methods of warming yang, dispersing cold, strengthening spleen and promoting diuresis, in order to improve the symptoms of kidney yang deficiency.