Production process: 1. Wash red dates and remove the core; Soak pericarpium Citri Tangerinae, and cleaning; Soak eyebrow beans and peanuts in clear water for 40 minutes and wash them.

2. Wash the pig's tail and chop it in boiling water for 5 minutes.

Boil a proper amount of water, add all the ingredients to boil, then simmer for 2.5 hours and season with salt.

Health care efficacy This soup has the effects of invigorating spleen, stimulating appetite, eliminating dampness, refreshing, harmonizing middle warmer, benefiting qi, strengthening bones and benefiting marrow. It is especially suitable for people with poor spleen and stomach, diarrhea due to kidney deficiency and frequent urination.

Warm reminder: Eyebrow bean is the seed of kidney bean, a leguminous plant. It is spherical or oblate, slightly larger than soybean, and shaped like cashew nut, also known as Mi Dou. It is distributed in Hebei, Jiangsu, Sichuan, Yunnan and other provinces in China, and it is also produced in Vietnam.