Abstract: A fixation structure includes a hot shoe plate, a hot shoe rod assembly, a locking assembly, and a fixation assembly. The hot shoe plate includes a connection member and a sliding member. The connection member is arranged at a first end of the hot shoe plate. The sliding member is arranged at a second end of the hot shoe plate that is opposite to the first end. The hot shoe rod assembly includes a fixation rod detachably mounted at the connection member. The fixation rod includes a top member and a bottom member opposite to each other. The bottom member is configured to be connected to a gimbal. The locking assembly is configured to fix the hot shoe rod assembly at the hot shoe plate. The fixation assembly is configured to cooperate with the sliding member to connect a load at any position of the sliding member.