Top structure of convertible and convertible

The utility model provides an open car roof structure and an open car, the open car roof structure comprises a movable ceiling, a rear decorative cover and a storage box cover which are sequentially arranged from front to back along the length direction of the whole car, the movable ceiling is driven to be switched between a storage state and an unfolding state, and in the storage state, the rear decorative cover and the storage box cover can be unfolded. In the unfolded state, the movable ceiling is located in the storage box, and in the unfolded state, the movable ceiling is located above the passenger compartment. The rear decorative cover and the storage box cover can be turned over and opened synchronously, when the rear decorative cover and the storage box cover are opened, the movable ceiling can enter and exit from the storage box, and when the rear decorative cover and the storage box cover are closed, the movable ceiling can be covered or spliced with the movable ceiling in an unfolded state. Accord