If you have rice particles in your nostrils, you can try to expel them by blowing your nose. If you can’t expel them on your own, you can actively seek medical treatment to remove the rice particles through nasal rinsing or using professional medical equipment. 1. Nasal rinsing: hospitals have professional nasal rinsers that can extract saline and rinse the nasal cavity repeatedly to flush out the rice particles in the nasal cavity. 2. Use of professional medical equipment: If the rice particles are deeper in the nasal cavity, under the nasal endoscopy, sequentially check the spaces and channels in the nasal cavity where the rice particles can be stored, and then use the suction device or tweezers or sieve sinus pliers to suction out the rice particles after discovering the rice particles. Nostrils into the rice particles, should be taken in a timely manner, to avoid long-term retention of rice particles, resulting in nasal odor, infection, etc..