The precautions after thigh amputation include preventing stump infection, preventing stump bleeding, avoiding phantom limb pain, and rehabilitation exercises. 1. Prevent stump infection: after thigh amputation, because the stump skin is weak, resistance is low, easy to cause infection, should pay attention to protect the stump skin, keep the skin clean and dry. 2. Prevent stump bleeding: after amputation, attention should be paid to observing the stump dressing and the surrounding skin, to prevent stump hemorrhage and edema, you can use a special elastic bandage to wrap the stump. 3. Avoid phantom limb pain: phantom limb pain may remain after amputation, need to give psychological guidance, the stump to give sandbags to pressure, but also the use of analgesic drugs to reduce pain in the affected limbs. 4. Rehabilitation exercise: after amputation should be under the guidance of medical professionals, muscle training and neighboring joints, to prevent muscle atrophy, in order to prepare for the installation of prostheses. After thigh amputation, there are a lot of complications to pay attention to, should be timely consultation and review, medication and rehabilitation should follow the doctor’s instructions to avoid blindly use on their own.