Can children eat six ingredients rehmannia pills?

Liuwei Dihuang Pill is a kind of Chinese patent medicine. It is derived from Shenqi Pill. It is composed of prepared rehmannia root, yam, dogwood, poria cocos, alisma orientalis and peony bark. It can be used to treat soreness of waist and knees, dizziness, tinnitus, hot flashes and night sweats, heel pain, infantile fontanelle incompatibility, red tongue with little fur, deep and thin pulse, etc. Therefore, children with liver and kidney deficiency can also take it.