It is best not to swim, because the water in the swimming pool is not clean. It goes without saying that we know what the water in the swimming pool is made of. There is disinfectant powder and hydrogen peroxide in it.

Fitness is ok, but you must remember to protect your ears and wipe off the sweat left on your forehead in time, otherwise it will be sand on the wound. Just disinfect it with iodophor prescribed by the doctor after exercise.

Running, push-ups, sit-ups and so on are helpful to exercise and enhance resistance. Let your wound heal better and faster, but be sure to pay attention to hygiene and clean it up in time. If it's inflamed or something, it's in trouble.

The specific details still need to go to a regular hospital to ask a doctor. After all, it is official guidance.