That is to say, Fuzheng health pills are widely used in clinic, and the use time is generally 15 days as a course of treatment, and 3-6 courses can be taken. Weiyuantang Yangyin Pill is suitable for physical weakness, spleen and stomach deficiency, post-illness disorder, hypofunction, mental fatigue and loss of appetite caused by deficiency of both heart and spleen and deficiency of both qi and blood.