Teddy can be styled when he is 3-4 months old. Regularly trimming the dog's hair will help improve the quality of the hair. Be careful not to cut it too short, otherwise it will irritate the dog's skin and cause various diseases. Adjust the dog's hair. In the dog's diet, do not feed food that is too oily or salty. You can feed the dog some lecithin, egg yolks, etc. to help beautify the dog's hair.