If there are worms in the dog's stomach, it needs to be dewormed in time. It will be more effective to choose targeted deworming drugs according to different types of parasites. If the situation is serious, it is best to send it to the hospital for treatment. Dogs should be dewormed on a regular basis. Do not feed them raw meat or spoiled food, and do not let them eat randomly outside. Both internal and external deworming is required to prevent the dog from accidentally transferring the worms on its body. The eggs are late in the stomach.