1, the purple river car is a kind of Chinese medicine, that is, the human placenta, is the health of maternal delivery of fresh placenta, after washing and drying processed and made, generally research for powder, is a kind of clinically more commonly used Chinese medicine.

2, Zihecheng belongs to the lungs, liver and kidney meridian, has the effect of replenishing essence, nourishing blood, benefit qi, general clinical commonly used in the lack of kidney qi, essence and blood decline caused by infertility, spermatorrhea, lumbago, dizziness, tinnitus.

3, Zihecheng has the effect of benefiting qi and nourishing blood, so it can be clinically used with Codonopsis, Astragalus, Radix Rehmanniae Praeparata, Angelica Sinensis and so on for the treatment of qi and blood deficiency, lethargy and fatigue.

4, Zihechuan also has the effect of tonifying lung qi, benefit kidney essence, so also used for lung and kidney deficiency caused by asthma, the general amount of 1.5 ~ 3 grams.