Abstract: Pet nail clippers contains a fixed grip, a movable grip connected with the fixed grip, a housing, an adjusting bolt, and a cutting assembly. The housing includes a beak portion and a neck portion coupling with the fixed grip which includes a receiving cavity. The cutting assembly includes a movable blade and a fixed blade disposed in the receiving cavity and extending out of the beak portion, and the movable blade contacts with the fixed blade and extends out of the beak portion. The movable blade is coupled with a driving rod connecting with the movable grip, the driving rod includes a second end coupling with a resilient element. The resilient element includes a second end mounted on the fixed grip, the housing also includes a through hole communicating with the movable blade, such that the adjusting bolt inserts through the through hole to abut against the movable blade.