The invention discloses a sprinkler head. The sprinkler head comprises a water inlet pipe, an adjusting device and a sprayer. The water inlet pipe comprises a first metal section, a second metal section and a hose section, and the hose section is arranged between the first metal section and the second metal section. The adjusting device comprises fixing rings, adjusting bolts, abutting pieces and a protection pipe, the fixing rings are arranged at the bottom of the first metal section and the top of the second metal section, the hose section is sleeved with the protection pipe, the two ends of the protection pipe are connected to the fixing rings, threaded holes are symmetrically formed in the two sides of the protection pipe, and the adjusting bolts are connected with the abutting pieces on the inner side of the protection pipe through the threaded holes. The sprayer is arranged on the top of the first metal section. The water inlet pipe is provided with the hose section, the effective water conveying diameter of the compressed hose section is adjusted through an adjusting device, and the water spraying range can be adjusted by adjusting the output pressure of the sprinkler head.