The answer to the question of whether it is useful for 11-year-olds to take Longmu Strong Bone Granules can not be generalized, and need to be determined by a professional doctor depending on the situation, 11-year-olds can play a certain therapeutic role in taking Longmu Strong Bone Granules if they have the appropriate indications. Longmu Strong Bone Granules contains Codonopsis, Astragalus, Dragon Bone, Calcined Oyster, Fried Atractylodes Macrocephalae, Poria, Fried Chicken Lining and other traditional Chinese medicines, which have the effect of strengthening the muscles and bones, and strengthening the spleen and the stomach. It can be used for the treatment and prevention of pediatric rickets, osteochondrosis, etc. It also has therapeutic effects on hyperhidrosis, loss of appetite, indigestion, developmental delay, etc. Children aged 11 years old with the above indications can also take this product under the guidance of a physician. The adverse reactions and contraindications of this product are not clear, it should be noted that this product should not be taken by patients with cold and fever, and during the period of taking the drug should be more sunshine, eat more calcium and easy to digest food, if the symptoms of the drug for 4 weeks without relief, it should also be discontinued to consult the doctor. This product contains vitamin D2, calcium lactate, calcium gluconate. Please follow the recommended dosage and do not overdose. If medication is needed, it is recommended to use it under the guidance of a Chinese medicine practitioner, unauthorized use of medication may result in adverse consequences.