The present invention relates to a car seat cushion for a pet and, more specifically, to a car seat cushion for a pet which can safely protect a pet in a vehicle, provide satisfaction to the pet as a play function besides use of seating and lying is provided, and prevent an accident. According to the present invention, the car seat cushion for a pet comprises: a cushion cover which has an accommodation space unit a cushion layer which is accommodated in the cushion cover a mounting pad which is arranged on an upper side of the cushion cover and has a plurality of fur and a seat belt which is installed on the cushion cover or the mounting pad. According to the present invention, the car seat cushion for a pet includes the cushion layer in the shape of particles, protects a pet by being changed by the shape or weight of the pet and covering the pet, can provide comfort and relaxation, can safely hold the pet by using the seat belt, can prevent an accident caused by interruption by the pet while driving, prevents the pet from easily escaping even during sudden braking or sudden starting, and can prevent damage to the pet. According to the present invention, the car seat cushion for a pet can prevent the pet from escaping with a first air injected body formed in the shape of a rectangular frame, can more safely protect the pet by performing a function similar to an air bag, can reduce action of the pet which interrupts driver&primes driving as the play function is provided by appearing and disappearing actions of a second air injected body, and thus enables the driver to drive a vehicle in a safer manner.COPYRIGHT KIPO 2017본 발명은 애완동물용 카시트 방석에 관한 것으로서, 더욱 상세하게는, 차량 내부에서 애완동물을 안전하게 보호할 수 있고, 앉거나 엎드리는 용도 외에 유희 기능을 부여하여 애완동물에게 만족감을 제공할 수 있으며 안전사고를 미연에 방지할 수 있는 애완동물용 카시트 방석에 관한 것이다.본 발명에 따른 애완동물용 카시트 방석은, 애완동물용 카시트 방석에 있어서, 수용공간부가 형성된 방석커버 상기 방석커버의 내부에 수용되는 쿠션층 상기 방석커버의 상부에 배치되고 다수의 털이 구비된 안착패드 및 상기 방석커버 또는 상기 안착패드에 설치되는 안전벨트를 포함하는 것을 특징으로 한다.본 발명에 따른 애완동물용 카시트 방석에 의하면, 알갱이
