Prevention of lead poisoning: Vitamin B 1 can hinder or inhibit the absorption of lead, especially to prevent the accumulation of lead in the central nervous system.

Treatment of insomnia: Take 7~8 tablets of vitamin B 1 before going to bed every night, which can be used to treat insomnia. After the symptoms are obviously improved, it can be reduced to 3 tablets, and those with satisfactory curative effect can take it for a long time.

Treatment of diarrhea: For diarrhea patients who have no obvious effect after taking Berberine, the second day after taking Berberine, vitamin B 1 and 1~2 times can be injected at acupoint to get the curative effect.

Precautions:

1. When used in large doses, the determination of serum theophylline concentration can be disturbed, the determination of uric acid concentration can be falsely increased, and urinary cholagogue can be falsely positive.

2. Vitamin B 1 should be used before injecting glucose to treat Wernicke encephalopathy.

3. Vitamin B 1 can generally be ingested from normal food, but the deficiency of single vitamin B 1 is rare. If symptoms are lacking, it is appropriate to use vitamin B complex.