Symptoms of concussion patients include headache, dizziness, retrograde amnesia, etc. The after-effects of concussion have a great impact on the quality of life of patients, and the after-effects of concussion include:1. headache, especially when the mind is in a tense state, it is easier to get a headache, which belongs to a dull pain or a hard pain, and it should be differentiated from the common cold and headache; headache is the most common after-effects of concussion;2. memory loss or memory bias;3. for heavy concussion, the fixation power becomes worse, and it is not easy to concentrate on thought power; the symptoms of concussion patients include headache, dizziness, and retrograde amnesia. For heavy concussion, the power of fixation becomes worse and the power of thought is not easy to concentrate.