When used correctly, tonic fat is generally not significantly harmful; when used incorrectly, it may lead to constipation and other hazards. Tonic bone resin belongs to a kind of traditional Chinese medicine, pungent, bitter, warm in nature, belonging to the kidney and spleen meridians, with the effect of tonifying the kidney and assisting the yang, nourishing the qi and calming the asthma (astringing the qi to alleviate coughing and asthma), warming the spleen and stopping diarrhea (relieving diarrhea by warming up the spleen), and also eliminating the wind and dispelling the blemishes when used externally. The drug is suitable for treating impotence and infertility, soreness and coldness of the lower back and knees, frequent urination, and wugian diarrhea (abdominal pain and desire to defecate that occurs before dawn) diarrhea disorders. The adverse effects of tonic fat are unclear, and the drug is contraindicated for people with yin deficiency and fire (deficiency of yin essence in the body and the appearance of hyperactive deficiency fire), as well as for those who have constipation themselves. The correct use of the drug has no obvious harm, but its medicinal properties warm and dry, when used in excess may cause constipation, mouth and tongue sores and other adverse reactions to fire. If you need to use bone marrow, it is recommended to consult a doctor in a timely manner, under the guidance of a doctor, avoid unauthorized use of medication, so as not to cause adverse consequences.