Seasickness is also known as motion sickness, the following measures can be taken to alleviate or avoid seasickness: 1, choose the middle of the ship when sitting on the ship, because its vibration is smaller; 2, keep the body in a semi-recumbent position or semi-sitting position, i.e., sit up straight, so as to maintain a state of balance within the brain, and the equilibrium signals sent by the brain in this state are extremely helpful; 3, take medication to prevent seasickness in advance, such as benadryl or motion sickness tablets, etc.; 4, ensure that before sitting on the ship Sufficient rest, excessive fatigue, cold or physical discomfort will increase the chance of seasickness. Please combine the specific medication with the clinic, and be guided by the doctor in the interview.