Yes, Fan Yong Street in Anyang is a commercial district with a long history. There are many shops and restaurants nearby. There may be several reasons why there are pollen shops:

1. Local people's taste: Huajia powder is a local snack with unique flavor and is deeply loved by local people.

2. Business opportunities: Pollen is a unique catering product with certain market demand. Some merchants took a fancy to this business opportunity and opened a pollen shop.

3. Geographical location: Fan Yong Street in Anyang City is a commercial area with a large flow of people. Opening a pollen shop can attract more customers and increase the income of businesses.

Generally speaking, Huajia Powder Shop is located in Fan Yong Street, Anyang City, which may be due to the comprehensive consideration of the local population's taste, business opportunities and geographical location.