The utility model provides a shaft fore shaft circle and shaft belongs to shaft reinforced structure field, shaft fore shaft circle wherein, including reinforced concrete roof beam and reinforced concrete stake, concrete pile has the first end and the second end of relative setting, and first end inserts the supporting course, the reinforced concrete roof beam has a third end and fourth end of relative setting, the second end fixed connection of third end and reinforced concrete stake, fourth hold be used for with shaft body fixed connection. Through the utility model provides a shaft fore shaft circle and shaft can keep shaft body structure's security and durability under weak formation condition. Guarantee construction space's stability to accomplish the construction of firm shaft body.