1. Preliminary screening: delete the funds ranked after one quarter according to the ranking, select the top 25 funds, and further exclude some funds according to the fund rating. In fact, there are not many left, so the preliminary screening work is completed, and then further detailed screening is carried out.

2. Careful screening: When choosing large companies, the selection of fund companies will generally be made from the aspects of establishment time, variety, management scale, fund manager, company performance and professional rating.