**Er Yang can dance**, but you need to pay attention to the appropriate amount.
Square dancing can strengthen the body, improve coordination, and also enhance social skills. However, Eryang should pay attention to some things when dancing square dance. First of all, you should follow the rules of square dancing and dance at the appropriate time and place. Secondly, you should wear comfortable, loose, breathable clothing and shoes when dancing to avoid injuries. Before dancing, you should warm up to avoid strained muscles or injuries. Finally, you should pay attention to personal hygiene, prepare water and towels required for square dancing at any time, and wipe sweat in time during dancing to avoid contracting diseases.
In short, Eryang can participate in square dancing appropriately according to his or her own situation to promote physical health and social development.