Immunoglobulin is a kind of nutrition that the human body needs very much, and the price of human immunoglobulin will vary with the manufacturer, packaging specifications, and specific sales areas. In general, the price of 5g specification is about 500-600 yuan. It should be noted that the preservation conditions of human immunoglobulin are relatively high, usually 2-8 ℃ to keep away from light, 30 minutes at room temperature will greatly reduce the effectiveness of the drug, so it is recommended that you buy as soon as possible after the inoculation. Human immunoglobulin generally has no adverse reactions, a few people will have redness, swelling and pain at the injection site, without special treatment. It is contraindicated for those who are allergic to immunoglobulin or have a history of other severe allergies, and those with selective IgA deficiency who have IgA antibodies are contraindicated from using immunoglobulin. Precautions: turbidity, precipitate, foreign matter, or glass bottle cracked, expired, should not be used, after opening the bottle should be injected at once, not divided into sub-use, the transportation and storage process is strictly prohibited freezing.