推荐回答（2个）
便秘是多种疾病的一种症状，而不是一种病。对不同的病人来说，便秘有不同的含义。
常见症状是排便次数明显减少，每2～3天或更长时间一次，无规律，粪质干硬，常伴有排便困难感的病理现象。
便秘在程度上有轻有重，在时间上可以是暂时的，也可以是长久的。由于引起便秘的原因很多，也很复杂，因此，一旦发生便秘，尤其是比较严重的，持续时间较长的便秘，这样的患者应及时到医院检查，查找引起便秘的原因，以免延误原发病的诊治，并能及时、正确、有效地解决便秘的痛苦，切勿滥用泻药。
中医认为，便秘主要由燥热内结、气机郁滞、津液不足和脾肾虚寒所引起。
1.燥热内结
中医认为过食辛辣厚昧，过服温补之品等可致阳盛灼阴；热病之后，余热留恋肠胃，耗伤津液；或湿热下注大肠，使肠道燥热，伤津而便秘，这种便秘又称为热秘。
2.气机郁滞
情志不舒、忧愁思虑、久坐少动、久病卧床等引起气机郁滞，致使大肠传导失职、糟粕内停，而成秘结，即所谓“气内滞而物不行”。粪便不结燥，但排出困难是此型的特点，所以又称为气秘。
3.津液不足
久病、产后、老年体衰、气血两虚；脾胃内伤、饮水量少，化源不足，病中过于发汗、泻下伤阴等。气虚则大肠转送无力，血虚津亏则大肠滋润失养，使肠道干槁，便行艰涩，所以称为虚秘。
4.脾肾虚寒
年高久病，肾阳虚损，阳气不运则阴邪凝结；或素有脾阳不足，又受寒冷攻伐，而致脾肾阳衰，温照无权则寒凝气滞，肠道传送无力，大便艰难，称为冷秘。
希望会对你有帮助
！加油
比较级：
I'm
taller
than
you.
He's
shouter
than
her.
I
can
run
faster
than
you.
The
one
is
much
better
than
that
one.
The
one
is
cheaper
than
that
one.
Dress
is
longer
than
shirt.
I
made
less
mistake
than
you.
Your
books
are
better
than
mine.
Your
dress
looks
older
than
mine
Computers
are
much
popular
in
the
21
century
than
before.
The
little
girl
is
more
beautiful
than
her
sister
For
today
is
much
hotter
than
yesterday
,I
decide
to
swim.
最高级：
I'm
the
tallest
people
in
my
class.
He's
theshoutest
boy
in
that
group.
You
can
run
fastest
in
the
class.
The
one
is
the
best
one
in
the
shop.
The
one
is
the
wist
one
I
have
ever
bought.
The
dress
is
the
longest
one.
I
made
the
least
mistake.
Your
books
are
the
best.
Your
dress
is
the
most
pretty
one.
就这样写，换几个人称就行了，应该可以到20个，加油！
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