The invention relates to a multifunctional protector of an underground probe of a hole drilling television image maker. The multifunctional protector comprises a sediment tube, a sealing ring, an upper joint, a disk-shaped clamping ring, a lower joint, a transparent casing tube, a bottom fixing head, and a probe sediment tube with a clamping groove. The multifunctional protector is characterized in that the sediment tube is connected with the upper joint together, the disk-shaped clamping ring is arranged between the upper joint and the lower joint, the lower joint is connected with the transparent casing tube together, the other end of the transparent casing tube is fixed with the bottom fixing head together, the probe sediment tube with the clamping groove is placed in a structure, the structure is formed by connecting the sediment tube, the upper joint, the lower joint, the transparent casing tube and the bottom fixing head, the clamping groove is clamped by the disk-shaped clamping ring, and the probe sediment tube and the lower end of the sediment tube are sealed by using the sealing ring. The multifunctional protector has the characteristics of low manufacture cost, high economic benefit, convenience for use, convenience for carrying and the like, can ensure the safety of the underground probe, and has the functions of improving the accuracy and the definition of probe imaging, and the like.