The files are my solutions to the exercises in the standard Chinese textbook on functional analysis. The textbook is widely used in math departments in China.
The problems are selfcontained in the solution files. All contents are in English.
Please inform me of any mistakes, typos, better solutions, etc.
 Vol I
 Chapter 1: Metric Spaces
Chapter 2: Linear Operators and Linear Functionals
Chapter 3: Distributions and Sobolev Spaces
Chapter 4: Compact Operators and Fredholm Operators
 Vol II
 Chapter 5: Banach Algebra (Problem 3.5(1) is incomplete)
Chapter 6: Closed Operators (Problem 3.4 and 3.5 are incomplete)
Chapter 7: Semigroups of Operators
