Siwu Decoction is composed of Radix Angelicae Sinensis, Radix Rehmanniae Preparata, Rhizoma Chuanxiong, and Radix Paeoniae Alba, which regulates the spleen. Drinking Siwutang is not suitable for drinking. Drinking will make the liver-qi overflow, which is not conducive to recovery. Eating traditional Chinese medicine is not suitable for drinking tea, which affects drug absorption. , and should avoid raw, cold, greasy. Because raw and cold foods stimulate the gastrointestinal tract, affect the gastrointestinal absorption of drugs, greasy food is not easy to digest and absorb.

1. Siwu decoction, as a tonic, has warm and dry properties. Therefore, for some people with hot constitution or internal heat, taking Siwutang is easy to get angry and get acne.

2. Rehmannia glutinosa and Angelica sinensis are easy to cause diarrhea for people with poor gastrointestinal function.

3. Taking Siwutang often makes you feel thirsty.

In these cases, we must make corresponding adjustments to the original prescription, so as to avoid the occurrence of the above side effects.

1. Reduce the dosage of Ligusticum chuanxiong for blood fever;

2. Rehmannia glutinosa should be used for deficiency-cold constitution, and rehmannia glutinosa should be used for heat constitution;

3. When it is necessary to supplement and clear heat, the raw land and the cultivated land are half;

4. Dry mouth should add Scrophularia;