Meniscus injury people are generally not recommended to do deep squat. Because when doing the action of deep squatting, the leg knee joint in the process of squatting, the inner and outer meniscus will produce extrusion and friction with the sliding of the femur sliding car, so that the meniscus to withstand the pressure of the meniscus exponentially increased, which may lead to meniscus injury aggravation, or obvious pain, so it is not recommended to do deep squatting. Meniscus is a C-shaped structural tissue composed of elastic cartilage between the two major bones of the knee joint, which can play the role of cushioning to prevent the knee joint from being impacted and causing injury. Deep squat belongs to the fitness exercise, its center of strength are in the leg knee joint, in doing deep squatting action, knee bending caused by the meniscus of the extrusion and load increase. Meniscus injury in daily life, need to pay attention to quiet recuperation, do not do strenuous exercise and long standing. After recuperation review recovery is not obvious, should be timely and active treatment.