The choice of 130,000 readers over 23 years! (Full series)

By analyzing the actual previous year's exam and carefully selecting only the most important content, "2024 46th National Hygiene Exam: Keyword Analysis," you can accurately grasp the latest exam trends and prepare for the 2025 exam.
Additionally, you can neatly organize complex theories through 'quick and simple keywords' that summarize frequently asked key content.
The 2025 revised edition also includes many questions that reflect recent trends in past exam questions, increasing the similarity with the actual exam.
We've included problems of varying difficulty, from easy to difficult, so you can prepare for any type of problem that may be presented.
The problems and explanations are separated so that you can focus on solving the problems.
The commentary section is organized as a separate book from the problem section, so you can conveniently use it without damaging the book. The clear commentary that accurately points out the key points allows you to efficiently organize incorrect answers.