The small bumps on the cat's body may be caused by ticks, cat moss, fat particles, demodex, etc. You need to take the cat to the pet hospital for examination to see what the cause is, and then proceed. Targeted treatment is more effective.
Tips:
If it is caused by cat moss or parasites, you need to help the cat use medicine to treat fungi, and also External deworming is required; if it is fat particles, the cat needs to improve its diet and feed it some light food.